—A student in my class said to me, “if I ______our math teacher, I_____ make math learning easier and more interesting instead of giving the kids much homework to do every day.”

A．were, would

B．am, will

C．was, would

D．were, will

光纤通信正在向长波长、（）单模光纤通信发展。

A.超长波长

B.短波

C.长波

D.长短波