Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause allergic reactions.
Reason . Allergens in the environment on reaching human body stimulates mast cells in certain individuals
A. If both assertion and reason are true and the reason is a correct explanation of the assertion.
B. In both assertion and reason are true but reason is not a correct explanation of the assertion.
C. if the assertion is true but reason is false.
D. If both the assertion and reason are false