—Jack can't concentrate on his lessons recently.—Yes, that might ____ why he did so badly in the last testA.answer forB.apply forC.call forD.account for
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D解析试题分析：考查词组：A. answer for 为…负责，B. apply for申请，C. call for要求，需要，D. account for 占据，是…的原因，句意：--杰克最近上课不是很专心。--是，这可能就是他上次考试差的原因。选D。考点：考查词组