以粪-口传播为主的疾病是（）

A.斑疹伤寒

B.戊型肝炎

C.艾滋病

D.流行性出血热

E.结核病

I hear Mr Brown lives here, but I’m not sure       .

A．he lives in which room

B．which room does he live in

C．which room he lives in

D．in which room does he live