46. What is the article mainly about?
(A) A problem in technology.
(B) Wild animals.
(C) The origin of language.
(D) The human brain.

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統計： A(3), B(7), C(176), D(15), E(0) #805413

詳解 (共 1 筆)

#4131025
（C）語言的起源。
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