如图所示，光滑绝缘水平面上带异号电荷的小球A 、B，它们一起在水平向右的匀强电场中向右做匀加速运动，且保持相对静止.设小球A带电荷量大小为Q_A，小球B带电荷量大小为Q_B，下列判断正确的是

A.小球A带正电，小球B带负电，且Q_A > Q_B

B.小球A带正电，小球B带负电，且Q_A < Q_B

C.小球A带负电，小球B带正电，且Q_A > Q_B

D.小球A带负电，小球B带正电，且Q_A < Q_B

I have no idea ____ the journalist could have got his information from. [ ]

A. that

B. why

C. when

D. where