remaining 和remained
问题描述：
remaining 和remained
With many trouble problems,such as unemployment and crime _______,the mayor seems to be at a loss.
A.remained to solve
B.remaining to be solved
C.remained to be solved
D.remaining to solve
答
答案选B
遗留下来的犯罪问题需要解决,remaining 是后置定语修饰Crime的