What is the complete factorization of the polynomial below?
x^3 + 9x^2 + 26x+ 24
O A. (x+3)(x+3)(x+1)
O B. (x+4)(x+3)(x + 2)
O C. (x+6)(x+2)(x+2)
O D. (X + 8)(x + 3)(x+1)