The meeting has begun, I wonder how long ago .A. it beganB. did it beginC. beganD. it has

发布时间：2020-08-16 08:44:26

The meeting has begun, I wonder how long ago     .
A. it began
B. did it begin
C. began
D. it has begun

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(答案→)A. it began
B. did it begin
C. began
D. it has begun
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