Assertion : Benzaldehyde is less reactive towards nucleophilic addition than acetaldehyde.
Reason : In benzaldehydes, steric hindrance is more than in acetaldehyde.
A. If both assertion and reason are correct and reason is correct explanation for assertion.
B. If both assertion and reason are correct and reason is not correct explanation for assertion.
C. If assertion is correct but reason is incorrect.
D. If assertion as well as reason are both incorrect.