【题目】Floods in the upper reach of the River Nile __________ many people leaving their hometown.
A. went in for B. accounted for
C. allowed for D. pushed for
在线课程【答案】B
【解析】A. went in for参加，从事，喜欢，支持；B. accounted for说明（原因，理由），导致，说明，引起；C. allowed for允许又，考虑到，留出；D. pushed for急切，强烈要求。句意：尼罗河上游的洪水导致很多人离开他们的家乡。根据句意可知选B。