问题
单项选择题
What kind of people moved to the suburbs()
A.Middle-class people.
B.The rich.
C.The poor.
D.The young.
答案
参考答案：A
解析：
[分析]： 细节信息。 题干：哪些人涌向了郊区根据原文“Since most of those making the move were middle-class…”，译文为：因为大多数向郊区转移的人是中产阶级……。所以选a。
