50
(A)that
(B) which
(C) whose
(D) those

However, ___among___ all of the writings that have been attributed to Confucius, we are still not completely sure ___which___ parts were actually written by Confucius himself.

然而，在所有被認為是孔子的著作之中，我們仍無法完全確定哪個部分是由孔子親自撰寫而成的。

However, ______49__among____ all of the writings that have been attributed to Confucius,

然而，在那些被認為是孔子所作的著作中，

we are still not completely sure ______50_which_____ parts were actually written by Confucius himself.

我們一直無法完全確定那些部份真的是孔子他自己所作。

which為關係代名詞，對事用which

3F、8F的回答不太正確喔

5. Among all of the writings that have been attributed to Confucius , we are still not completely sure which parts were actually written by Confucius himself  (X)

which作為關係代名詞時，which前面絕對不會是sure

which的前面一定是名詞，該名詞即是所謂的先行詞：先行詞 + which...+介系詞

亦有可能將介系詞搬到which的前面：先行詞 + 介系詞 + which

句子：Make sure that + S. + V.

這理的that不是關係代名詞，that的作用為引導句子，表一件事情

that：無字義

回到本題，個人解答

that：關係代名詞，即 the writings 

which：哪些，疑問詞引導名詞子句

part：名詞子句的主詞

among all of the writings that have been attributed to Confucius,

已經被認為是來自孔夫子的這些著作

we are still not completely sure which part were actually written by Confucius himself.

我們仍然無法完全地確認哪些部分事實上是由孔夫子親自撰寫

※疑問詞5WH1H引導的名詞子句：

表達的句子中，某些資訊不明確，雖然是使用疑問詞來開頭，但並非疑問句型

句型架構：when / where / which / who / why / what / how + S. + V.

相同考卷第41-45題文章開頭第二句

Recent studies have shown that indoor air pollution is almost always two to five times worse than

outside pollution.

that：引導句子，非關係代名詞

(若有誤請指教 感恩) 

However, _49_ all of the writings that have been attributed to Confucius, we are still not completely sure _50_ parts were actually written by Confucius himself.

然而，在所有被認為是孔子的著作_49_，我們仍無法完全確定_50_部分是由孔子親自撰寫而成的。

(A)that (B)which (C)whose (D)those

從選項中可得知本題是考關係代名詞，第一步先找出先行詞(前述詞 Among all of the writings在所有的著作之中)，找到後開始還原各個不完整子句的完整句型，在確定各子句當中的先行詞是當主詞還是受詞後，再根據各子句的情況填入合適的關係詞。(注意先行詞是事物，關係代名詞只能用which或that，不可用who)

※　還原成三個子句

1.Among all of the writings haven been attributed to Confucius.

在所有被認為是孔子的著作之中。(先行詞是當主詞)

2.We are still not completely sure amongnall of the writings.

我們仍無法完全確定在所有的著作之中。(先行詞是當受詞)

3.Parts were actually written among allnof the writings by Confucius himself.

部分是在所有的著作之中由孔子親自撰寫而成的。(先行詞是當受詞)

※　開始用關係代名詞合併子句

[A]
a.先把Among all of the writings(在所有的著作之中)拉出來，再合併子句1和子句2

1.Among all of the writings have been attributed to Confucius.

2.We are still not completely sure among all of the writings.

b.在所有的著作之中　被認為是孔子的　我們仍無法完全確定

c.(合併後)→　在所有的被認為是孔子的著作之中，我們仍無法完全確定。

4.Among all of the writings that have been attributed to Confucius , we are still not completely sure. (注意當先行詞前面有all時，關係代名詞必須用that，不可用who或which)

[B]
a.先把Among all of the writings(在所有的著作之中)拉出來，再合併子句4和子句3

4.Among all of the writings that have been attributed to Confucius , we are still not completely sure.

3.Parts were actually written among all of the writings by Confucius himself.

b.在所有的被認為是孔子的著作之中，我們仍無法完全確定　部分是在所有的著作之中由孔子親自撰寫而成的

c.(合併後)→在所有被認為是孔子的著作之中，我們仍無法完全確定哪個部分是由孔子親自撰寫而成的。

5. Among all of the writings that have been attributed to Confucius , we are still not completely sure which parts were actually written by Confucius himself. (注意當關係代名詞當受格使用時，通常可以省略；但若其先行詞前有介係詞時，則不但不可以省略，而且只能用受格的關係代名詞，即whom或which，而不可用that)，本題答案是(B)which。

However, ______49______ all of the writings that have been attributed to Confucius, we are still not completely sure ______50______ parts were actually written by Confucius himself.

但是，在歸因於孔子的所有著作中，我們仍不能完全確定那些部分實際上是由孔子本人撰寫的。

(A)that那個
(B) which
(C) whose誰
(D) those那些

請問為什麼不能選(A)that ?