Simplify the Expression $\left( 6 t ^ { 3 } \right) ^ { 2 }$

Multiple Choice

Simplify the expression. $\left( 6 t ^ { 3 } \right) ^ { 2 }$

A) $6 t ^ { 6 }$
B) $6 t ^ { 3 }$
C) $36 t ^ { 7 }$
D) $36 t ^ { 6 }$
E) $36 t ^ { 5 }$