Convert the Expression $( 2 \sin x + 2 \cos x ) ^ { 2 }$

Multiple Choice

Convert the expression. ​​ $( 2 \sin x + 2 \cos x ) ^ { 2 }$ ​

A) ​ $4 - 4 \sin 2 x$
B) ​ $2 + 4 \sin x$
C) ​ $4 + 4 \sin x$
D) ​ $4 - 4 \sin x$
E) ​ $4 + 4 \sin 2 x$