A student wrote three statements about rancidity :
I. When fats and oils are reduced, they become rancid.
II. Chips manufacturers usually flush chips bags with oxygen to prevent rancidity.
III. Rancidity is prevented by adding substances called antioxidants to food.
Choose the correct statement(s)
(A) I only
(C) III only
(B) ll and lll only
(D) I, ll and III