Assertion: The duck-billed platypus and the spiny anteater, both are egg-laying animals yet they are grouped under mammals.
Reason: Both of them have seven cervical vertebrae and 12 pairs of cranial nerves.
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.
D.