Simplify the Expression $$\sqrt [ 3 ] { 729 x ^ { 4 } y ^ { 5 } }$$

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $$\sqrt [ 3 ] { 729 x ^ { 4 } y ^ { 5 } }$$

A) $3 x ^ { 2 } y ^ { 2 } \sqrt [ 3 ] { x ^ { 2 } }$
B) $9 x y \sqrt [ 3 ] { x y ^ { 2 } }$
C) $9 x y ^ { 2 } \sqrt [ 3 ] { x y }$
D) $9 x y \sqrt [ 3 ] { x y }$