Assertion: In flatworms, fertilisation is internal and development is through many larval stages.
Reason: Some parasitic flatworms absorb nutrients from the host directly through their body surface.
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.
