In the English class, our teacher ______ a very good suggestion that each of us can write about a section of this topic.

A．went along with

B．kept up with

C．came up with

D．put up with

慢性阻塞性肺气肿的主要症状为（）

A.心悸

B.口唇发绀

C.右心衰竭

D.突发性喘息

E.逐渐加重的呼吸困难