Nuclide A has a neutron-proton ratio of 1.3. Nuclide B has a neutron-proton ratio of 1.7. If both are isotopes of the same element, which statement best describes the relative stability of the nuclides?

A. Nuclide A is more stable and is more likely to undergo radioactive decay.

B. Nuclide B is more stable and is more likely to undergo radioactive decay.

C. Nuclide A is less stable and is more likely to undergo radioactive decay.

D. Nuclide B is less stable and is more likely to undergo radioactive decay.