The workers were so tired that they fell asleep where they ______without undressing.

A．lying

B．were lying

C．lied

D．were lain

患者沙某，男，49岁。头痛身热，干咳无痰，气逆而喘，舌干鼻燥，口渴，舌干少苔，脉虚大而数。治宜选用( )

A．桑杏汤

B．贝母瓜蒌散

C．清燥救肺汤

D．麦门冬汤

E．百合固金汤