Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms.
8x + 5x^3 - 5
A. 5x^3 + 8x - 5; cubic trinomial
B. 8x - 5 + 5x^3; not a polynomial
C. 5x^3 + 8x - 5; quadratic binomial
D. 8x + 5x^3 - 5; fourth-degree monomial