Answer: Option d.
Explanation:
We know that:
- Integers contains positive numbers, negative numbers and zero.
- A rational number is that number that can be written in the following form:

Where "a" and "b" are integers (
).
- A Whole number is any of the numbers {
}
Given the number set:
{
}
These numbers are Rational numbers, because:

And, since they are positive, they are Whole numbers and Integers.