A Patient Is Following an Elimination Diet to Help Determine

A patient is following an elimination diet to help determine food allergies. After one week, the patient's symptoms resolve. Which of the following should be planned for this patient?

A) Reintroduce the eliminated foods one at a time to determine the food allergy.
B) Resume regular pre-elimination diet.
C) Ingest an antihistamine before eating a food that causes a food allergy.
D) Consume a diet of foods identified as causing allergies for the full week following the elimination diet.