Which of the Following Scenarios Typifies a Tools of the Mind

Which of the following scenarios typifies a Tools of the Mind approach?

A) The classroom has a restaurant theme, with the art center set up as a pizzeria and the science center set up as a coffee shop.
B) The students earn colorful stickers for listening, staying on task, cleaning up after themselves, and raising their hands.
C) The teacher goes over the material with the children several times and makes up a song to help them remember it.
D) Children move freely and spontaneously throughout the classroom and work with the teacher individually or in small groups.