N + 6 = 9 * B = 18 - Z = 10 / Y = 5 what is the complete expression?

A, 3 + 6 = 9 * 2 = 18 - 8 = 10 / 2 = 5

B, 6 + 6 = 9 * 3 = 18 - 10 = 10 / 5 = 5

C, 5 = 5 / 10 = 10 - 18 = 3 * 9 = 6 + 6