— Look at the postcard. It's from my pen pal in New York.— Hmm…It ________ so beautiful.
A:smells
B:sounds
C:feels
D:looks
如图所示,在两等量异种点电荷的电场中,MN为两电荷连线的中垂线,a、b、c三点所在直线平行于两电荷的连线,且a与c关于MN对称,b点位于MN上,d点位于两电荷的连线上.以下判断正确的是( )