Our monitor，       it clear to us that he didn’t want to waste time playing computer games, left the Internet bar quickly

A．made          B．having made          C．making           D．had made

Our monitor，　　　 it clear to us that he didn’t want to waste time playing computer games—left the Internet bar quickly.

A．made　 　　　　 B．having made 　　　　　　　 C．making　 　 D．had made