If I try to correct someone, I have to do it with so much good humor and bright smile as if I were the one ______.

A．to have been corrected

B．correcting

C．having been corrected

D．being corrected

慢性充血性心力衰竭康复治疗的禁忌证是（）

A.稳定性慢性心衰

B.心功能Ⅰ级

C.心功能Ⅱ级

D.心功能Ⅲ级

E.运动中血压和心率不升