13. it is important to cook food to high enough temperatures so that
the possibility of cross-contamination is greatly reduced.
food looks fully cooked when served to a guest.
allergens are reduced to nontoxic levels.
opathogens are reduced and illness is prevented.

I think the question is It is important to cook food to high enough temperatures so that?

Explanation:

A. the possibility of cross-contamination is greatly reduced.

B. Food looks fully cooked when served to a guest.

C. allergens are reduced to nontoxic levels.

D. Opathogens are reduced and illness is prevented.