With the worldwide oil crisis the price of oil has been raised 15%.A. aboutB. withC. of

问题补充：

With the worldwide oil crisis, the price of oil has been raised

15%.

A. about

B. with

C. of

D. by

答案：

A. about

B. with

C. of

(答案→)D. by

解析：by加百分数或表示数量的名词，表示相差的程度。