According to the constructivism theory, how does prior knowledge impact learning? Question 3 options: a) Prior knowledge remains unchanged, and new knowledge is built on top of it. b) Prior knowledge must be "unlearned" in order for new learning to take place. c) Prior knowledge is irrelevant to new learning experiences. d) Prior knowledge influences what new knowledge an individual builds from new learning experiences. e) Prior knowledge limits how much new learning a student can accomplish