Given below are two statements labelled as Assertion (A) and the other as Reason (R)Assertion (A) : The oldest paintings of Ajanta are datable to the second and first centuries B.C.Reason (R): Chronologically the paintings of cave No. 1 and 2 are the last in the series and pertain to the Post-Gupta periodIn the context of the above two statements which of the following is correct?

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