Which of the Following Statements Is LEAST-Likely True

Which of the following statements is LEAST-Likely true?

A) On the drive side of the gear tooth, pulling the pinion gear away from the ring gear (toward the heel of the gear tooth) moves the pattern from the toe flank to the heel face.
B) When the pinion is moved out of mesh, backlash decreases.
C) When the shim is too thin, the drive pinion is moved out of mesh (too far away) from the center line of the ring gear.
D) When the shim is too thick, the drive pinion is too close to the center of the ring gear tooth.