—Would you mind my smoking here?

—  ______.Look at the sign . It says “No smoking.”

A．You’d better not

B．No, go ahead.

C．It doesn’t matter.

D．Not at all.

关于睫状长神经，说法正确的是（）

A.睫状长神经是额神经的分支

B.睫状长神经即睫状神经节的长根

C.睫状长神经与睫状短神经的走行相互独立

D.睫状长神经含有交感纤维

E.睫状长神经的交感纤维分布于睫状体和瞳孔括约肌