—The radio is too noisy and there is nothing interesting on it. Why don't you ______?

—All right. I'll do that. [ ]

A. turn on it

B. turn it off

C. turn off it

D. turn it up

小华酷爱集邮，他用10元钱买了8角或1元2角两种邮票共10张，那么小华买了8角邮票（    ）张，1元2角的邮票（  ）张。