has Mr White been a member of Greener China since he to China A How soon comes B How often gotCHow long DHow far arrived
问题描述：
has Mr White been a member of Greener China since he to China A How soon comes B How often got
CHow long DHow far arrived
答
必须C啊
A是多快
B是多频繁
C是多长时间
D是到达什么程度，抵达多远
答
C 多久