单项选择题

6.       A good way to prevent cross contamination of foods is to:
a. Keep raw and cooked foods separate.
b. Properly clean and sanitize food-contact surfaces.
c. Properly wash hands.
d. All of the above.

A. a. Keep raw and cooked foods separate.
B. b. Properly clean and sanitize food-contact surfaces.
C. c. Properly wash hands.
D.d. All of the above.
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