— The baby is sleeping. Please _____ the TV if you want to watch the game.

— OK. I will do that. [ ]

A. turn on

B. turn down

C. turn off

治疗流感嗜血杆菌肺炎的首选抗菌药物是（）

A.青霉素

B.四环素

C.林可霉素

D.氨苄西林

E.氯霉素