问题
选择题
----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
答案
答案：C
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。