问题
单项选择题
Young people tend to stay with their family longer on these days for accommodation is expensive but, when they move away to a job or college, there are various options open to them.
A. these days for
B. during these days as
C. these days as
D. within these days for
答案
参考答案：C
解析：在此直接用these days作为状语而不必加任何的介词，之后由主语accommodation引导的是原因状语，故用as才对。