Final answer:
A whole number is a positive integer, a negative integer, or zero. Negative integers are not considered whole numbers because they are less than zero.
Step-by-step explanation:
A whole number is a positive integer, a negative integer, or zero. Therefore, the answer to the question is B a negative integer. Negative integers are not considered whole numbers because they are less than zero. Examples of negative integers are -1, -2, -3, and so on.