Marissa Was Trained to Sort Some Blocks Based on Their

Marissa was trained to sort some blocks based on their color.Her sister Alli was trained to sort the same blocks,based on their shape.If we test both girls on their ability to discriminate the blocks,based on either shape or color,we should find that:

A) both girls will perform well on shape discrimination but not so well on color discrimination.
B) both girls will perform well on color discrimination but not so well on shape discrimination.
C) Marissa will perform better on color discrimination than shape discrimination.
D) Alli will perform better on color discrimination than shape discrimination.