Which Two Assumptions of the Kinetic-Molecular Theory Need to Be

Multiple Choice

Which two assumptions of the Kinetic-Molecular Theory need to be altered to account for the behavior of real gases?
I. gas molecules have no volume
II. gas molecules move in random motion
III. gas molecules undergo no attractive or repulsive force toward one another
IV. gas molecules undergo perfectly elastic collision

A) I and II
B) I and III
C) II and III
D) II and IV
E) III and IV