We were very angry that there was little          given to those who had worked the hardest

on the project.     [ ]

A. credit                        

B. punishment     

C. scold                        

D. blame

某导体置于电场后周围的电场分布情况如图所示，图中虚线表示电场线，实线表示等势面，A、B、C为电场中的三个点．下列说法错误的是（　　）

A．A点的电场强度小于B点的电场强度

B．A点的电势高于B点的电势

C．将负电荷从A点移到B点，电场力做正功

D．将正电荷从A点移到C点，电场力做功为零