Find the Coefficient Of $x ^ { 3 }$ In the Binomial Series For

Multiple Choice

Find the coefficient of $x ^ { 3 }$ in the binomial series for $( 1 + x ) ^ { 5 }$ .

A) 3
B) 6
C) 15
D) 20
E) 10
F) 5
G) 16
H) 12