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by the problem that was put forward at the meeting, the people in the audience h

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by the problem that was put forward at the meeting, the people in the audience h

________ 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

试题答案

B