| 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 (E) liability insurance rates have risen to force In choices A and B, rates of is incorrect; when rates means “prices charged,” it should be followed by for. 但是大家看看朗文高阶P1441-2 a charge or payment ficed according to a standard scale 费用,价格. 例句中有:they're demanding higher rates of pay . an hourly rate of $10 请各位指教!! | 
