Determine the Degree of the Polynomial $- 4 x ^ { 2 } + 4 x ^ { 3 } + 4 x ^ { 4 } + 3$

Determine the degree of the polynomial.
- $- 4 x ^ { 2 } + 4 x ^ { 3 } + 4 x ^ { 4 } + 3$

A) 4
B) 10
C) 9
D) 2