Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?

A．to clean, needn’t

B．cleaning,don’t

C．clean, aren’t

D．cleaned, can’t

下列二维数组初始化语句中，不正确的是( )。

A) int b[][2]=1,2,3,4,5,6,7;
B) int b[3][5]=0,0,0;
C) int b[][4]=1,2,3,4,5,6;
D) int b[3][2]=(1,2),(3,4) ,(5,6);