22. The lack of investors ________ their efforts to expand the company.
(A) has been frustrated by them on
(B) have frustrated them on
(C) have been frustrated by them in
(D) has frustrated them in

答案：登入後查看
統計： A(16), B(13), C(3), D(37), E(0) #2344312

Apple Chen

B1 · 2025/06/12

#6476791

正解： (D) has frustrated them in主詞是 “The lack”，是單數，所以動詞用 has，語意是「缺乏投資人使他們在擴張公司方面受挫」，搭配正確的是：

“has frustrated them in their efforts…”

(A) 動詞時態與語序錯誤。

(B) 主詞複數錯誤。