This is _______ old football. I like playing _______ football very much.

A．an, the

B．a, /

C．an, /

D．the, /

患者出现血压增高，向心性肥胖，满月脸，皮肤紫纹最可能的诊断是（）

A.肾动脉狭窄

B.主动脉狭窄

C.嗜铬细胞瘤

D.库欣综合征

E.原发性醛固酮增多症