How Many Coefficients in the Binomial Series Expansion Of $( 1 + x ) ^ { 7 }$

Multiple Choice

How many coefficients in the binomial series expansion of $( 1 + x ) ^ { 7 }$ are divisible by 7?

A) 0
B) 5
C) 7
D) 3
E) 2
F) 6
G) 1
H) 4