The correct option is A The Aryans contributed to the composition of the Vedas, the oldest literature in India.
The Aryan settlement paved way for a new culture, Vedic culture. It got its name because of their contribution to the composition of the Vedas, the oldest literature in Indian history. These Vedas consisted of Rig Veda, Yajur Veda, Sama Veda and Atharva Veda. The Aryans composed the Vedas and followed the principles in their life.