肺结核的报告时限是（）

A.2小时

B.6小时

C.12小时

D.24小时

E.48小时

---Excuse me. You shouldn’t smoke here. Look at the sign “NO SMOKING HERE”.

--Sorry, I ________ it just now.

A．doesn’t see

B．haven’t seen

C．didn’t see

D．hadn’t seen