Diego is building a kitchen table and a coffee table. The legs of a kitchen table must be twice the height of a coffee table and there are 4 legs on each table. He writes the expression 4(2x) + 4(x) to model his building plans. What does the 4(2x) represent? A. 4(2x) represents the height of one kitchen table leg. B. 4(2x) represents the total length of all four kitchen table legs. C. 4(2x) represents the height of one coffee table leg. D. 4(2x) represents the total length of all four coffee table legs.