—Come on, please give me some ideas about the project.

—Sorry. With so much work           my mind, I almost break down.

A．filled

B．filling

C．to fill

D．being filled

支气管哮喘发病的激发因素有（）

A.各种特异和非特异吸入物

B.感染

C.药物：如心得安、阿司匹林

D.气候变化

E.运动、妊娠