—How many people did you see in the meeting room? — .A. Nothing B. No one C. None

问题补充：

—How many people did you see in the meeting room?

— .

A. Nothing B. No one C. None

答案：

解析：句意：你看见会议室有多少人？没人。Nothing没有物，回答what;；No one没人，回答who; none回答数量。故选C。

考点: 考查代词的用法。