He didn’t make clear when and where the meeting would be held.A. this B. that C. it D t

问题补充：

He didn’t make clear when and where the meeting would be held.

A. this B. that C. it D these

答案：

解析：考察it作为形式宾语。句中的It是形式宾语，真正的宾语是后面的when and where the meeting would be held。他没有说清楚何时何地会议被举行。英语中能够作为形式主语或者形式宾语的只有it。故C正确。