A bowling alley charges $14 for the first game, $10 for the second game, and $5 per game for every game after that.
Which statement is true, based on the given description?
 A:The description shows a linear relationship and a proportional relationship.
 B:The description does not show a linear relationship or a proportional relationship.
 C:The description shows a proportional relationship, but not a linear relationship.
 D:The description shows a linear relationship, but not a proportional relationship.