大量蛋白尿主要丢失的为 （）

A.IgM 

B.白蛋白 

C.IgG 

D.球蛋白 

E.IgE 

It takes the most cool-headed and good-tempered of drivers to resist the temptation to make reprisals when subjected to uncivilized behavior.

A．challenge

B．laugh

C．revenge

D．appreciate