The correct option is B Summer
The Sangam literature mentions the practice of exchange of goods. These exchanges were largely done during Summer. Sangam literature is the name given to the earliest available Tamil literature. It is dated between 400 BCE and 300 CE.The word 'Sangam' literally means association. Sangam literature mentions the practice of exchange of goods known as noduthal. Allalavanam and Nalangadi were the markets of ancient Tamilnadu. People procured fish and rice by exchanging honey, ghee, and tubers.