Mr. King didn't know _______ yesterday evening.  [ ]

A. when does his son come home  

B. when his son comes home  

C. when did his son come home  

D. when his son came home

患者咳嗽痰少，痰中带血或反复咳血，血色鲜红，口干咽燥，颧红，潮热盗汗，舌质红，脉细数。其治法是（）。

A．润燥止咳，宁络止血

B．滋阴润肺，凉血止血

C．养阴清肝，凉血止血

D．养阴润燥，化瘀止血

E．清热润肺，化瘀止血