The correct option is B a whole number
Let us consider any two whole numbers and add them.
For example,
2 + 3 = 5, a whole number
1 + 7 = 8, a whole number
0 + 0 = 0, a whole number
0 + 1 = 1, a whole number
Here, we can observe that the sum of any two whole numbers is always a whole number.