Assertion : Ginkgo biloba is living fossil.
Reason : Organisms which have persisted and remain unchanged for the past several million years while their relative disappeared.
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 reason are ture but the reason is not a 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
