腺样囊性癌镜下主要特点为（）

A．癌细胞呈大块实性结构，常浸润神经

B．癌细胞呈栅栏状排列，类似神经鞘瘤

C．癌细胞核分裂少，部分囊性变

D．癌细胞大小一致呈腺管排列

E．癌细胞呈筛状排列，有的腔内可见均质嗜伊红物质

—My teacher told me never to go to school again.

—Sorry to hear that.But were you often late for class?

—___________.

A．I was too late to study

B．Well,I’m afraid I often were 

C．I did enjoy myself

D．I have no idea