Please explain how the answer is D:
For a polynomial p(x) the value of p(3) is -2. Which of the following must be true about p(x)?
(A) x - 5 is a factor of p(x).
(B) x - 2 is a factor of p(x).
(C) x + 2 is a factor of p(x)
(D) The remainder when p(x) is divided by x - 3 is -2.