問題詳情

139. Many companies set a number of objectives, ________ is an indicator of how well the company is performing.
(A) each
(B) which
(C) each of which
(D) it

參考答案

答案:D
難度:非常困難0.0526316
統計:A(1),B(14),C(3),D(1),E(0)

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