The Rotor in This Illustration Was Measured in Three Places

The rotor in this illustration was measured in three places.
The measurements are:
Point A = .987 "
Point B = .986 "
Point C = .987 "
The minimum thickness specification is .968 ". The rotor surface is smooth and not scored. What action should the technician take?

A) Replace the rotor.
B) None, the rotor is OK.
C) Drive the vehicle to see if the variation evens out.
D) Machine the rotor to correct the thickness variation.