(单选题)
Young people nowadays could not imagine what difficulty their fathers had ______ for a better life for their children.
A.to strive
B.striven
C.striving
D.to be striving
参考答案:C
参考解析:
考查非谓语动词。句意:现在的年轻人无法想象他们的父亲为孩子争取更好的生活有多困难。本题考查的是have difficulty (in) doing sth的结构,所以C项符合。故选C。
知识点:
