Which of the Following Is the BEST Example of a Hypersensitivity

Multiple Choice

Which of the following is the BEST example of a hypersensitivity reaction?

A) T cells responding vigorously to the flu virus
B) B cells failing to respond to HIV, allowing it to replicate out of control
C) Inflammation of the airways in response to pollen
D) Anemia as a result of iron deficiency
E) T cells attacking the myelin sheath of nerves resulting in paralysis