My cousin has Project Green Hope since two months ago.A. joinedB. taken part in C. been i

问题补充：

My cousin has Project Green Hope since two months ago.

A. joined

B. taken part in

C. been in the

D. been a member of

答案：

A. joined

B. taken part in

C. been in the

(答案→)D. been a member of

解析：此题考查延续性动词和非延续性动词的区别。