— I think you'd better type this letter again before Mr. Smith see it.

— Oh, dear! _____ [ ]

A. Who cares?

B. No problem

C. I don't mind at all

D. Is it as bad as that?

( )是在原课间操基础上发展起来的一种课余体育活动的组织形式。

A．体育节

B．早操

C．大课间体育活动

D．体育锻炼课