[单选题]
An electron and a proton ao82a,fam tctsw1 2miu1wo)7ure separated by a drjlaaoof;/5b vc)8 .l istance of 1.0 m. What happens to the magnitude of the force on the proton if a second electron is placed next to the first looac;vl 8) /af.j5r belectron?
A. It quadruples.
B. It doubles.
C. It will not change.
D. It goes to zero.
