—My family usually holds a big party for my birthday, but I want to try a different way this year．

—         .

A．Go ahead．

B．Come along!

C．Like what?

D．So what?

已有定义：char a[]="xyz",b[]={'x','y','z'};,以下叙述中正确的是

A．数组a和b的长度相同

B．a数组长度小于b数组长度

C．a数组长度大于b数组长度

D．上述说法都不对