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

Assertion (A) :
Advanced farming during the SangamAge remained absolutely confined to small pockets of wet-land in the valleys of Kaveri, Vaigai, Tamraparni and periyar without any remarkable progress till the 7th-8th centuries.
Reason (R) :
Setting fire to standing crops and destination of settlements (ceri) was common during the Sangam Age :
In the context of the above two statements which one of the following is correct?

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