Her life a lot in the last few years.A. changedB. is changingC. has changedD. have change

问题补充：

Her life a lot in the last few years.

A. changed

B. is changing

C. has changed

D. have changed

答案：

A. changed

B. is changing

(答案→)C. has changed

D. have changed

解析：句意；在过去几年中她的生活发生了很大的变化。结合语境可知本句描述的是现在已经完成的动作，故用现在完成时态。主语her life表示抽象含义，不可数，故助动词用单数，选C。