With the development of science and technology people’s life in the past few years.A. im

问题补充：

With the development of science and technology, people’s life in the past few years.

A. improved

B. has improved

C. is improving

D. had improved

答案：

A. improved

(答案→)B. has improved

C. is improving

D. had improved

解析：根据句子后面的时间状语in the past few years可以知道句子应该使用现在完成时。