I was shocked ______ the cruelty of Tom, a relative of my wife, who not only shouted ____ the

poor man begging for something to eat but also let his violent dog come _____ him.    [ ]

A. at; at; at  

B. with; to; at  

C. by; to; at  

D. for; at; to

储罐调饱和压力流程描述正确的是（）。

A.储罐液相→P→VAP1→储罐液相

B.槽车液相→P→储罐气相

C.储罐液相→P→槽车液相