This discrepancysatisfactorilyyet.A、has not; explainedB、has not bee

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问题 This discrepancy______satisfactorily______yet.

选项 A、has not; explained
B、has not been; explained
C、did not; explain
D、were not; explained

答案 B

解析

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This discrepancy______satisfactorily______yet.A、has not; explainedB、has not bee