They looked forward with hope from you but you never wrote a word to them.A. of hearingB

问题补充：

They looked forward with hope from you, but you never wrote a word to them.

A. of hearing

B. to hear

C. to hearing

D. hearing

答案：

A. of hearing

B. to hear

(答案→)C. to hearing

D. hearing

解析：考查短语look forward to doing sth 盼望做某事，to是介词后接动名词作宾语；with hope 满怀希望地，相当于hopefully。句意：他们满怀希望地盼望收到你的来信但是你一个字也没写给他们。