The table lists the number of nucleons and the overall count of particles (protons, neutrons and electrons) in neutral atoms of four nuclides $W$, $X$, $Y$ and $Z$. Which two nuclides are isotopes of one another?
- A$W$ and $X$
- B$W$ and $Y$
- C$X$ and $Z$
- D$Y$ and $Z$