The Integral $\int \sin ^ { 2 } x \cos ^ { 2 } x d x$

Multiple Choice

The integral $\int \sin ^ { 2 } x \cos ^ { 2 } x d x$ is

A) $- \frac { 4 x - \sin ( 4 x ) } { 32 } + C$
B) $\frac { 4 x + \sin ( 4 x ) } { 32 } + C$
C) $\frac { 4 x - \sin ( 4 x ) } { 32 } + C$
D) $\frac { x - 4 \sin ( 4 x ) } { 32 } + C$
E) $\frac { x + 4 \sin ( 4 x ) } { 32 } + C$