Which of these teachers is using Vygotsky's concept of scaffolding?
A. Coach Hogan requires his gymnastics class to memorize all the elements
B. Ms. Caisse, the ballet teacher, dances in the front row until the students m
C. Mr. Young teaches Isabella to play both the right-hand and left-hand parts
D. Mr. Decarolis runs a contest for his students to design their ideal playgrou