What Is the Output of the Following Program

Multiple Choice

What is the output of the following program?
D = dict()
For x in enumerate(range(2) ) :
D[x[0]] = x[1]
D[x[1]+7] = x[0]
Print(D)

A) KeyError
B) {0: 1, 7: 0, 1: 1, 8: 0}
C) {0: 0, 7: 0, 1: 1, 8: 1}
D) {1: 1, 7: 2, 0: 1, 8: 1}