________bytheproblemthatwasputforwardatthemeeting,thepe...

问题详情：

________ by the problem that was put forward at the meeting, the people in the audience had ________ looks on their faces.

A. Puzzled; puzzling      B. Puzzled; puzzled       

C. Puzzling; puzzling     D. Puzzling; puzzled

【回答】

B

知识点：形容词

题型：选择题