The Swede stood quite _____, except that his lips moved slightly.[ ]

A. calm  

B. still        

C. silent  

D. quiet

发酵粉按用途和速度可分为（）、慢速发酵粉和复合发酵粉。

A.简单发酵粉

B.快速发酵粉

C.中速发酵粉

D.碱性发酵粉