Simplify the Expression, and Combine Like Terms $$2 \left( 3 x ^ { 2 } + 9 y \right) - \left( 9 x ^ { 2 } - 4 y \right)$$

Multiple Choice

Simplify the expression, and combine like terms.
- $$2 \left( 3 x ^ { 2 } + 9 y \right) - \left( 9 x ^ { 2 } - 4 y \right)$$

A) $15 \mathrm { x } ^ { 2 } + 13 \mathrm { y }$
B) $- 3 x ^ { 2 } + 14 y$
C) $- 3 x ^ { 2 } + 22 y$
D) $15 x ^ { 2 } + 22 y$