By the Age of 2 to 2 1/2, How Do

By the age of 2 to 2 1/2, how do most children use terms such as big and little?

A) to draw proper normative conclusions and to make appropriate functional judgments
B) to draw proper normative conclusions and perceptual inferences
C) to draw proper perceptual inferences and to make appropriate functional judgments
D) to make appropriate functional judgments and draw upon spatial contrasts