He sold his farm, _________ gaining enough money for his journey.

A．and

B．thus

C．rather

D．otherwise

重症肺炎的治疗应首选（）

A.常用大环内酯类、青霉素类、第一代头孢菌素和喹诺酮类

B.常用第二、三代头孢菌素，可联合大环内酯类

C.常用第二、三代头孢菌素，喹诺酮类和碳青霉烯类

D.选择广谱强力抗菌药物，足量联合用药

E.常用两性霉素B脂质复合体、氟康唑