—The trip must have been terrible, wasn't it?

—No.________, I enjoyed every minute.[ ]

A. On the other hand  

B. At one time

C. At the same time  

D. On the contrary

糖尿病患者并见视物昏蒙，耳鸣耳聋，舌红少苔，脉细数。治疗应首选（）

A．六味地黄汤

B．知柏地黄丸

C．明目地黄汤

D．七味都气丸

E．金匮肾气丸