The plan has its weak point, that is to say, it has its _______, but on the whole we are satisfied with it.A.questionB.shortingC.conditionD.progress
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B解析question"问题，疑问"；shorting"缺点，短处 (主要指不足之处、有所欠缺的方面，相对长处、优点而言) "；condition"条件，状况"；progress"进展，进步"，由句意可知选B。