18．--- Tom has a lot of parties recently.---Yes, that may ____ why he didn’t do

题型：不详难度：来源：

18．--- Tom has a lot of parties recently.
---Yes, that may ____ why he didn’t do well in the test.
A, sum up               B. add up to           C. account for       D. make sense of

答案

C

解析

考查短语辨析。sum up 总结，add up to 加起来，account for 解释，make sense of 明白什么的意思，句意：汤姆最近参加了许多聚会。是的，那样可能解释了为什么他在考试中没有做好。所以选C。