—Mrs. Brown, I wonder if I could take the weekend off?

— _______? It’s slightly difficult with so many people away on holiday, you know.

A．Why are you doing so

B．Do you really have to

C．Where are you going

D．Do you feel it good

现代麻醉学包括以下内容，哪项最正确（）

A.临床麻醉

B.麻醉后恢复及ICU

C.急救与复苏

D.临床疼痛治疗

E.上述全部