问题

_____ 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
B: Puzzled; puzzled
C: Puzzling; puzzling
D: Puzzling; puzzled
正确答案是:
同类题型
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