— Is your sister a League member? —Yes She the League two years ago. She a League membe

问题补充：

— Is your sister a League member?

—Yes, She the League two years ago. She a League member for two years.

A. has joined; has been

B. joined; was

C. joined; has been

D. joins; was

答案：

A. has joined; has been

B. joined; was

C. joined; has been

D. joins; was

解析：

试题分析: 句意：你的妹妹是团员吗？是的，她两年级入的团。她入团已经两年了。根据 two years ago两年前，可知为一般过去时，根据 for two years.两年，可知时态为现在完成时，故答案选C。