Factor the Polynomial Completely $4 - 81 y ^ { 2 }$

Multiple Choice

Factor the polynomial completely. $4 - 81 y ^ { 2 }$

A) (2 $-$ 81 y ) (2 + 81 y )
B) (2 $-$ 9 y ) (2 + 9 y )
C) (4 $-$ 9 y ) (4 + 9 y )
D) (2 + y ) (2 + 9 y )
E) none of these