Simplify the Expression $$- \sqrt { \frac { 25 } { 12 } }$$

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $$- \sqrt { \frac { 25 } { 12 } }$$

A) $- \frac { 5 \sqrt { 3 } } { 3 }$
B) $- 5 \sqrt { 3 }$
C) $- 12$
D) $- \frac { 5 \sqrt { 3 } } { 6 }$