Which list of numbers contains ONLY integers?

A) 5.4, 0, −9

B) π, 58, 1

C) −2, 0, 6

D) −24−−√, −37, − 2π

The list of numbers that contains ONLY integers is:

C) -2, 0, 6

The list of numbers that contains ONLY integers is option C) -2, 0, 6.