The overall benefit enjoyed by all the members as a whole is quite obvious, but it is hard to say ______ members will always benefit，still less to expect them to enjoy the advantage of factor mobility to the same degree.
A、individual
B、team
C、union
D、region
【正确答案】：A
【题目解析】：The overall benefit enjoyed by all the members as a whole is quite obvious, but it is hard to say individual members will always benefit，still less to expect them to enjoy the advantage of factor mobility to the same degree.参见教材P36。