Jangyina lot since 1978.A. has changed B. will changeC. changesD. changed

问题补充：

Jangyina lot since 1978.

A. has changed

B. will change

C. changes

D. changed

答案：

(答案→)A. has changed

B. will change

C. changes

D. changed

解析： 根据since 1978，故用现在完成时。