Write with Positive Exponents $$- 8 ^ { - 4 / 3 }$$

Multiple Choice

Write with positive exponents. Simplify if possible.
- $$- 8 ^ { - 4 / 3 }$$

A) $- \frac { 1 } { 16 }$
B) 16
C) $\frac { 1 } { 16 }$
D) not a real number