Rationalize the Denominator and Simplify $\sqrt [ 4 ] { \frac { 16 } { 125 } }$

Multiple Choice

Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
- $\sqrt [ 4 ] { \frac { 16 } { 125 } }$

A) $\frac { 2 \sqrt [ 4 ] { 5 } } { 5 }$
B) $\frac { 2 \sqrt { 125 } } { 125 }$
C) $\frac { 2 \sqrt { 125 } } { 5 }$
D) $\frac { 2 \sqrt { 5 } } { 5 }$