The correct option is C Deviation from the process of immunity
Allergies are the common diseases that seen in most of the people due to hypersensitivity. It is also defined as the overreaction of the immune system or deviation from the immunity process. This may be due to change in the environment conditions or by any food item. The most common environmental based allergy is the allergy to pollen grains and in food is the peanuts. Thus, the correct answer is option A.