Assertion : Asthma is a difficulty in breathing caushing wheezing.
Reason : Asthma occurs due to inflammation of bronchi and bronchioles.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.