List the Set in Roster Form

Multiple Choice

List the set in roster form.
-S = {x| x is a whole number multiple of 2}

A) {4, 6, 8, 10, 12, . . . }
B) {1, 2, 4, 6, 8, . . . }
C) {0, 2, 4, 6, 8, . . . }
D) {2, 4, 6, 8, 10, . . . }