Assertion: `CH_(3)CHO` and `CH_(2)=CHOH` are resonance structures.
Reason: Tautomers differ both in the position of atoms as well as electrons.
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 and the reason is the correct explanations of the assertion
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.