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(8), B(20), C(10), D(9), E(0) #2142449
統計: A(8), B(20), C(10), D(9), E(0) #2142449