3-Year Old Fedelia Discovers a Red Chili-Pepper on the Floor

3-year old Fedelia discovers a red chili-pepper on the floor and calls it "candy." After she puts the chili-pepper in her mouth, she realizes that it is not at all like candy. The next time, she encounters a red pepper of the same size, she says "NO HOT!" and won't touch it. According to Piaget, this change in her understanding of the pepper demonstrates

A) object permanence.
B) accommodation.
C) assimilation.
D) conservation.