Nowadays， more and more schools have their own Internet classrooms to help students improve themselves． To make good use of Internet classrooms． students should _________．

①chat with their friends as often as possible

（2）search for useful information

③gel the latest（最新的） knowledge

④download resources for learning

⑤play as many computer games as possible（　　）

A．

①②⑤

B．

③④⑤

C．

②③④