—Would you like to join us in      dancing party in our school tonight?

—I'm afraid not. I have _____ appointment with my doctor[ ]

A. a; the

B. the; the

C. a; an

D. the; an

有关HSV，以下描述错误的是（）

A.HSV-2感染与子宫颈癌关系密切

B.HSV-1可致散发性致死性脑炎

C.分为HSV-1、HSV-2两型

D.生殖器疱疹多为HSV-2感染

E.HSV-1最常感染生殖器