--- We need three single rooms for the first week in June.

---          .The hotel’s not busy then.

A．It doesn’t matter.

B．Don’t bother.

C．Never mind.

D．No problem.

主要用于控制疟疾症状的药物是

A.氯喹

B.伯氨喹

C.乙胺嘧啶

D.甲氟喹

E.SMP