问题详情

U. S. carmakers, especially the Big Three, are in deep trouble because of the following factors EXCEPT______.

A．the increasingly high petrol prices

B．the impact of imported cars from other countries like Japan

C．the tighter credit which impairs customers" finance capability

D．the consumers" preference to more fuel-efficient vehicles

请帮忙给出正确答案和分析，谢谢！