Assertion: Smooth muscles are involuntary in nature.
Reason: The functioning of smooth muscles cannot be directly controlled. A person will not be able to make it contract by merely thinking about it.
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
