What description with its correct expression? A. Two less than the quotient of a number cubed and four, increased by eight; 2-n^3/4+8

B. Six times the difference of five and a number squared; 6(n^2-5)

C. Three more than the quotient of nine and a number cubed. Decreased by two; 3+9/n^3-2

D. Twice the difference of a number squared and three; 2n^2-3