Mp denotes the mass of a proton and Mn that of a neutron. A given nucleus, of binding energy B, contains Z protons and N neutrons. The mass M(N,Z) of the nucleus is given by (C is velocity of light):
A. M(N,Z)=NMn+ZMp+B/C²
B. M(N,Z)=NMn+ZMp−B/C²
C. M(N,Z)=NMn+ZMp+B/C²
D. M(N,Z)=NMn+ZMp−B/C²