Over generations, female reindeer in a finish population, give birth to larger offspring, which type of selection is occurring and how would a distribution curve for the straight change overtime

A stabilizing selection the curve would become taller in the middle
B stabilizing selection the curve would become shorter in the middle
C directional selection, the curve would shift to the left
D directional selection occurred with shift to the right

C directional selection, the curve would shift to the left