Identify the Polynomial as a Monomial, Binomial, Trinomial, or None $- 16 s ^ { 7 } - 3 s - 4$

Identify the polynomial as a monomial, binomial, trinomial, or none of these.
- $- 16 s ^ { 7 } - 3 s - 4$

A) Binomial
B) None of these
C) Monomial
D) Trinomial