Answer
Phrase (d) is correct.
Work Step by Step
On page 1299, the text states: "Any nuclide whose proton number Z or neutron number N has one of these values turns out to have a special stability that may be made apparent in a variety of ways."
Therefore, we can say that nuclides are magic when either $Z$ or $N$ (or both) is equal to one of these numbers.
Phrase (d) is correct.
