Assertion: The pharyngeal gland of earthworm includes chromophil cells, which secrete sativa.
Reason: Salivary amylase of earthworm is essential to digest carbohydrates.
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 the 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.