Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Ketoses give Seliwanoff's test faster than Aldoses.

Reason (R) : Ketoses undergo $\beta$-elimination followed by formation of furfural.

In the light of the above statements, choose the correct answer from the options given below :

1. A (A) is false but (R) is true
2. B Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. C (A) is true but (R) is false Correct answer
4. D Both (A) and (R) are true and (R) is the correct explanation of (A)