有关下图的描述，正确的是

A．此地发生了武昌起义

B．军旗升起的地方在南昌

C．毛 * * 在这里领导过著名的起义

D．国共两党在这里有过亲密的合作

I wanted to know _____________.

A．how does he come here

B．how he comes here

C．how did he come here

D．how he came here