咳声如犬吠，多见于

A．白喉

B．百日咳

C．燥咳

D．热咳

E．肺痈

— I wonder if I _____ smoke here.

— No, you ______ . Couldn't you see the sign "NO SMOKING" on the wall?[ ]

A. can; needn't      

B. may; mustn't      

C. must; can't      

D. shall; won't