My father _______ to Shanghai. He _______ for over 2 months. [ ]

A. has been, has left              

B. has gone, has gone  

C. has gone, has been away        

D. has been, has gone

一种公猪，原性欲旺盛，配种繁殖率高，近来配种任务重，日见形体瘦弱，腰胯无力，阳痿不举，性欲下降，四肢发凉，尿清粪溏，动则气喘，口舌淡白，脉象沉迟细弱无力治疗该病可选用的方剂是（）

A.银翘散

B.补中益气汤

C.六味地黄汤

D.肾气丸

E.秦艽散