—Is Tom still smoking? 

—No．By next Saturday he _____________ for a whole month without smoking a single cigarette.

A．will go

B．will have gone

C．goes

D．has been going

用于丙型肝炎联合干扰素抗病毒治疗的药物是（）
用于人禽流感抗病毒治疗的药物是（）

A.法昔洛韦

B.扎那米韦

C.利巴韦林

D.恩替卡韦

E.奈韦拉平