Here___ ___number of people. ___ number of them___fifty.

A．are, a; The, is

B．is ,the; A, are

C．is, a; The are

D．are, the; A, is

下列不属于水粉色技法特点的是（）

A、表现力强

B、色彩饱和后不透明

C、有较强的覆盖性能

D、结构表现清晰