Margarite has to choose what the Friday special will be at the restaurant where she works. Her boss told her to choose one of the six soups they make. Three soups contain chicken, and three soups contain all vegetables. It will be more likely that Margarite will randomly choose a soup that contains chicken if the boss ___________.
A. runs the special on Mondays
B. adds three more vegetable soups to the menu
C. eliminates chicken from two of the soups
D. adds chicken to two of the vegetable soups