Factor the Expression $$( a - m ) c + ( a - m ) f$$

Multiple Choice

Factor the expression. $$( a - m ) c + ( a - m ) f$$

A) $( f - m ) ( c + a )$
B) $( a - f ) ( c + m )$
C) $c ( a - f ) + f$
D) $( a - m ) ( c + f )$
E) $( m - a ) ( c + f )$