Factor Out the Largest Possible Common Factor $$x y + y + 6 x + 6$$

Multiple Choice

Factor out the largest possible common factor.
- $$x y + y + 6 x + 6$$

A) $( x + 6 ) ( y + 1 )$
B) $( x + 1 ) ( y + 6 )$
C) $( x + 1 ) ( 6 y + 6 )$
D) $( 6 x + 6 ) ( y + 1 )$