When __ the Youth League?In 2004 急

问题描述:

When __ the Youth League?In 2004 急
A did you jion
B have you become a member
C did you take part in
D have you joined

选c
你什么时候加入共青团?
take part in 参加,加入.
另外,A 错在少了个in,jion XX加入某人,jion in XX才是加入组织.