Which of the Following Describes the Delaney Clause

Which of the following describes the Delaney Clause?

A) government action that prevents the intentional addition of compounds that have been shown to cause cancer in animals or humans
B) government recommendation that all predatory fish be tested for mercury before being sold to the consumer
C) the establishment of a system in which the FDA investigates consumer,physician,and food company complaints about additives
D) pending legislation to ban irradiation as a method of food preservation