問題詳情

16. The study reveals that male elephants follow a strict socialhierarchy ___ each member knows his rank or status.
(A) which
(B) in that
(C) in which
(D) when

參考答案

答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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