My life a lot in the last five years.A have changed B has changed C changed D will change

问题补充：

My life a lot in the last five years.

A have changed B has changed C changed D will change

答案：

解析：句意：在过去的五年当中，我的生活改变了很多。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，选B。