Assertion:
, will show tautomerisum.
Reason: It contains `alpha-`hydrogen atom near keto group.
A. If both assertion and reason are true and the reason is the correct explanantion of the assertion.
B. If both assertion and reason are true but reason is not the correct explanantion of the asseriton.
C. If assertion is true but reason is false.
D. If assertion if false but reason is ture.