Use the Square Root Property to Solve the Equation $( 2 x + 2 ) ^ { 2 } = 16$

Multiple Choice

Use the square root property to solve the equation.
$( 2 x + 2 ) ^ { 2 } = 16$

A) $\{ 0,1 \}$
B) $\{ 1 , - 3 \}$
C) $\{ 1,3 \}$
D) $\{ 9 , - 9 \}$