—Peter has changed a lot, hasn’t he?

—Yes. He used to        the guitar, but now he is more      in playing soccer.

A．plays; interested

B．play; interested

C．play; interesting

D．playing; interest

以下哪一种信息交流技术可以辅助教师与学生开展实时交流（）

A.E-mAil

B.BBS

C.Blog

D.MSN