39 According to the passage, which one of the following might be mistaken to be a ‘trifling point’?
(A) The cave paintings
(B) The location of the larynx
(C) The food passage
(D) The ability to swallow
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統計: A(19), B(50), C(26), D(28), E(0) #1427579
統計: A(19), B(50), C(26), D(28), E(0) #1427579