Factor the Polynomial by Grouping (If Possible) $$2 x y - 9 c x - 18 c y + 81 c ^ { 2 }$$

Multiple Choice

Factor the polynomial by grouping (if possible) . $$2 x y - 9 c x - 18 c y + 81 c ^ { 2 }$$

A) $c ( 2 y - 9 \mathrm { c } ) ( x - 9 )$
B) $x ( 2 y - 9 c ) - 9 \left( 2 c y - 9 c ^ { 2 } \right)$
C) $( 2 y - 9 c ) ( x - 9 c )$
D) Cannot be factored