Then over dinner,Franklin mentions that he 　　well since he gave up smoking and Dr Candy,the local doctor,offers to write him a prescription for some medicine.

A．had not been sleeping

B．has not been sleeping

C．is not sleeping

D．was not sleeping

患儿，2岁，因佝偻病入院。医嘱：鱼肝油10滴，每日1次。护士为患儿配药时，在药杯中都先加少量温开水，再加鱼肝油，其原因是（）。

A.有利于吞服

B.减少药量损失

C.利于患儿口感

D.避免药物挥发

E.避免过凉