JEE Main 2023 Chemistry question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Ketoses give Seliwonoff's test faster than Aldoses. Reason (R) : Ketoses undergo -elimination followed by formation of furfural. In the light of the above statements, choose the correct answer from the options given below :

• (A)(A) is true but (R) is falseCorrect
• (B)Both (A) and (R) are true and (R) is the correct explanation of (A)
• (C)(A) is false but (R) is true
• (D)Both (A) and (R) are true but (R) is not the correct explanation of (A)