[单选题]
There is a limit to the size of v(v0 .53ppj)mkcmm imoo8 kf*a stable nucleus becau0 1anc w3ft- y,0*cgafay 1f:jlg k-apse of
A. the limited range of the strong nuclear force.
B. the weakness of the electrostatic force.
C. the weakness of the gravitational force.
D. none of the given answers
