[求助]关于词的名词形式和动词形式的请教

1.        State officials report that soaring rates of liability insurance have risen to force cutbacks in the operations of everything from local governments and school districts to day-care centers and recreational facilities.

(A) rates of liability insurance have risen to force

(B) rates of liability insurance are a force for

(C) rates for liability insurance are forcing

(D) rises in liability insurance rates are forcing（C）

(E) liability insurance rates have risen to force

比如这个题目我就选了B。

up自己来顶