【題目】When effectively _______, the feedback we share with students or employees can develop their awareness of their own learning.

A. managing B. being managed

C. managed D. to manage

【答案】C

【解析】試題分析：主語the feedback和動詞manage之間是動賓關系，要用過去分詞managed作狀語，本處相當于一個條件狀語從句when the feedback is effectively managed，故選C。

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