网间互联可以带来（）。

A.提高电信业务的使用价值

B.可以进行国际直拨

C.扩大业务范围

D.节省成本

E.促进竞争

—Why are you so_______?

—Because he came here though he had told me he wouldn't come.[ ]

A. surprising              

B. surprised

C. exciting                        

D. interesting