Four polynomials are shown below: A. 3 − 7x5 + x2 B. 5x3 + 5 − 3x C. 3x + 2x3 − x2 + 6 + 2x D. 3x3 − 5 + 2x5 + x + 2x2 Which of the above polynomials is a 5th degree trinomial? Polynomial A Polynomial B Polynomial C Polynomial D