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)