Use DeMoivre's Theorem to Find the Indicated Power of the Following

Multiple Choice

Use DeMoivre's Theorem to find the indicated power of the following complex number.
$$( 3 + 3 \sqrt { 3 } i ) ^ { 6 }$$

A) 19,683
B) 6,561
C) 2,187
D) 46,656
E) 243