晕死了.

问题描述:

晕死了.
1.Beijing Childen's library___ four brach libraries in different districts.Now they can receive more readers than before.
A.has been set up B.has set up
这个不是被建立嘛?为什么 B是对的?Set up也不是 不及物啊.怎么回事.··
0、0·晕死了·
救救我吧

关键是后面有宾语four branch libraries(四个分馆),所以要用主动语态,意思是开了四家分馆.