sc真题200第一题

有没有UU知道这题为什么不选E，选A啊，不是with一般都不选么

1.With a strong dollar keeping down the cost of imported cars in the United States,foreign automakers have been able to keep price virtually steady since  the  current  model  year  began  six  months  ago,  while  American automakers have been forcedto raise prices.

A.With a strong dollarkeeping down the cost of imported carsin the United

States

B.By the cost for imported cars in the United States having been kept down with a strongdollar

C.While the cost for imported cars in the United States have been kept down with a strongdollar

D.The cost of imported cars in the United States kept down with a strong dollar

E.When a strong dollar kept down the cost of imported cars in the United

States