【题目】---I’m sorry the traffic is so heavy.
---Does that _______why you are so late?
A. break out B. account for
C. turn down D. build up
在线课程【答案】B
【解析】考查动词短语。A. break out爆发；B. account for对…作出解释，说明；C. turn down 减小，调低；D. build up增进，加强。句意：——抱歉，交通太堵了。——这就是对你迟到做出的解释吗？此处指对来晚做出解释，故选B.