The . . . . . . . . operator is used to divide two integers.

The correct answer is: D. Integer division

Integer division is the process of dividing two integers and returning the integer part of the result. For example, 5 ÷ 2 = 2, and 7 ÷ 3 = 2.

Addition, subtraction, and modulus are all operations that can be performed on integers, but they do not result in integers in all cases. For example, 5 + 2 = 7, 5 – 2 = 3, and 5 % 2 = 1.

In conclusion, the integer division operator is used to divide two integers and return the integer part of the result.