[单选题]
Compared to the electrostatic forcijays84sn a/1uf*)z ne, the nuclear force bet7wfukj: qmp,wufl 6n )6h3la- +8 cduvween adjacent protons in aj3u qp6c)6vn-w+l hmuwdufkaf,l87 : nucleus is
A. much weaker.
B. about the same size.
C. only slightly larger.
D. much larger.
