When he       the door, he found his keys were nowhere.          

A．would open

B．opened

C．had opened

D．was to open

根据《民法通则》的规定，法人的法定代表人是根据（ ）产生的。

A．法律规定

B．主管机关指派

C．法人章程的规定

D．法律规定或法人章程规定