China the WTO for more than 10 years, and it has brought great changes to it.
A. has joined
B. has been in
C. has bee a member of
D. has joined in
网友回答
A. has joined
(答案→)B. has been in
C. has bee a member of
D. has joined in
解析：此题重点考查延续性动词的用法，因时间状语是段时间，故谓语动词要用延续性动词。join是非延续行动词，不能和段时间状语连用。