[单选题]
Compared to the electrostatic force, the nuclear force betweenvnr-*k9s(v t3jy e2fp adjacent pjbt73brd/yf26nkfo9 * vfy p-rotons in a nuc/y 6 ovpb 7f9-t3r2j f*ykfndbleus is
A. much weaker.
B. about the same size.
C. only slightly larger.
D. much larger.