46. What was the author’s main purpose in writing the passage?
(A) To illustrate why biodiversity is essential to our survival.
(B) To explain the concept of biodiversity.
(C) To show why local biodiversity is more important than global biodiversity.
(D) To clarify the dangers that result from declining biodiversity.
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統計: A(10), B(31), C(8), D(8), E(0) #1901785
統計: A(10), B(31), C(8), D(8), E(0) #1901785