According to the precautionary principle, what should happen if there are fears that eating a food might cause a health problem?
a. people should be warned about the possible health problem.
b. the company producing the food should be warned about the possible health problem.
c. people who have fears about the food should test it to see if it causes a real health problem.
d. the company producing the food should test the food to prove that it does not cause a health problem.