$$\sqrt{(x + 1)(x + 2)(x + 3)(x + 4) + 1} =$$

A

$$\pm(x^2 + 5x + 4)$$

B

$$\pm(x^2 + 5x + 5)$$

C

$$\pm(x^2 + 5x + 6)$$

D

$$\pm(x^2 + 6x + 5)$$