Simplify the Following Expression $- ( - 9 ) ^ { - 2 }$

Simplify the following expression. Do not use parentheses or negative exponents. $- ( - 9 ) ^ { - 2 }$

A) 81
B) -81
C) -18
D) $\frac { 1 } { 81 }$
E) $- \frac { 1 } { 81 }$