While a child watches, you hide a Cheerio under one of two cups in front of her. You hide the Cheerio under the red cup, and show the child that there is nothing under the blue cup. If this child has not yet achieved object permanence, she will: a. not look for the Cheerio.
b. look for the Cheerio under the blue cup.
c. look for the Cheerio under the red cup.
d. look for the Cheerio in your hand.