With a lot of children _________ noise around, the students couldn’t concentrate their attention on what they were learning.

A．to make

B．making

C．made

D．were making

小儿寒性哮喘的首选方剂是（）。

A.六君子汤

B.金匮肾气丸

C.玉屏风散

D.小青龙汤

E.麻杏石甘汤