Julio Wants to Cook Chicken,make a Salad,and Bake a Pie

Julio wants to cook chicken,make a salad,and bake a pie made with eggs and milk for his roommates.Julio and his dinner guests are likely to experience food-borne illness if he

A) thaws the frozen raw chicken in a covered tray on the bottom shelf of the refrigerator.
B) wipes the knife used to cut up the raw chicken on a hand towel before using the knife to cut up the salad vegetables.
C) marinates the cut-up pieces of raw chicken in the refrigerator and then throws out the marinade.
D) keeps the pie chilled before serving it.