[单选题]
04.05: The potential enerj. iix -btmol5l1u -( (guvm.tgy of two like cha51cxm ex5cf0u .ti gyad88rmo sbg;39 rges
A. decreases as the charges are separated.
B. depends on the sign of the charge.
C. is proportional to the square of the relative speed.
D. is inversely proportional to the square of the separation.
E. is repulsive.
