We have just made a very difficult decision ... we have decided to stop _____ QQ on computers

____ with 360's software.” Tencent said in an open letter on Wednesday night. [ ]

A. to run, installing  

B. to run, installed  

C. running, installing  

D. running, installed

我国婚姻法规定：直系血亲和三代以内旁系血亲之间禁止结婚。其理论依据是 [ ]

A．人类的遗传病都是由隐性基因控制的

B．他们之间结婚，其后代必然患遗传病

C．他们之间结婚，其后代患遗传病的可能性较大

D．他们之间结婚，1/4的后代可能患遗传病