Final answer:
Integers have the opposites of whole numbers, or their negatives, which whole numbers do not include. Decimal and fractional parts, as well as repeating decimals, are not what differentiate integers from whole numbers.
Step-by-step explanation:
The student asked: What do integers have that whole numbers do not? The correct answer is A. The opposites of the whole numbers or their negatives. Integers include all whole numbers and their negative counterparts, such as -1, -2, -3, and so on. Whole numbers start from 0 and include every number thereafter, but they do not include negatives. Decimal parts, fractional parts, and repeating decimals are not characteristics that distinguish integers from whole numbers, but rather the inclusion of negatives makes integers a broader set.