In the Table Above, Jack's Opportunity Cost for 1 Kilogram

In the table above, Jack's opportunity cost for 1 kilogram of food is ________ and his opportunity cost for 1 kilogram of clothing is ________.

A) 1 kilogram of clothing; 4 kilograms of food
B) 1/2 of a kilogram of clothing; 2 kilograms of food
C) 1/3 of a kilogram of clothing; 3 kilograms of food
D) 1 kilogram of food; 1 kilogram of clothing
E) 2 kilograms of clothing; 2 kilograms of food