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.
$$( 5 + 5 \sqrt { 3 } i ) ^ { 6 }$$

A) $1,953,125$
B) 390,625
C) 78,125
D) $1,000,000$
E) 3,125