Read the assertion and reason carefully to mark the correct option out of the option given below:
Assertion: Scurvy is caused by deficiency of vitamin.
Reason :Deficiency of ascorbic acid causes scurvy.
A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and the reason are true but the reason is a not correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
