問題詳情
【題組】64. Rothschild might have concluded that ichthyosaurs ______.
(A) failed to evolve an anti-decompression means
(B) gradually developed measures against the bends
(C) died out because of large sharks and crocodiles
(D) evolved an anti-decompression means but soon lost it
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)