----Jack can’t concentrate on his lessons recently.
----Yes, that might his low score in the last test.
A. stand for
B. apply for
C. account for
D. call for
网友回答
A. stand for
B. apply for
(答案→)C. account for
D. call for
解析：考查短语辨析。stand for代表，apply for申请，account for解释，call for
需要，句意：最近杰克不能集中精力上课。是的，那可能解释他在上次考试中低分的原因。故选C。