An Agricultural Worker Experiences Difficulty Breathing Which Becomes Progressively Worse

An agricultural worker experiences difficulty breathing which becomes progressively worse. Tests show inflammation and damage of the lung tissue, but IgE antibodies and granulocytes are in the normal ranges. With which disorder of the immune system are these signs and symptoms consistent?

A) autoimmunity
B) type III (immune complex- mediated) hypersensitivity
C) type IV (delayed) hypersensitivity
D) acquired immunodeficiency
E) allergic reaction