Simplify the Expression $4 \sin \theta \cos ^ { 3 } \theta - 4 \sin ^ { 3 } \theta \cos \theta$

Multiple Choice

Simplify the expression.
- $4 \sin \theta \cos ^ { 3 } \theta - 4 \sin ^ { 3 } \theta \cos \theta$

A) $\sin 4 \theta$
B) $4 \sin \theta \cos \theta \cos 2 \theta$
C) $\sin 2 \theta \cos 2 \theta$
D) $4 \sin \theta \cos \theta$