QUESTION 18

Each of the following children is trying to solve a complex story problem. Which would best be classified as being at the upper limit of his zone of proximal development?

	A.	Steve, who could never solve the problem
	B.	Ed, who is capable of solving the entire problem on his own
	C.	Frank, who rejects the help of all adults when he attempts to solve the problem
	D.	Bob, who, with the help of an adult, can solve the entire problem