The correct options are
A Aranyakas- a guide for people living in hermitage
B Upanishads- the foundation of Indian philosophy
Vedic literature is divided into two groups- Early Vedic and Later Vedic literature. The Early Vedic literature, also known as Sruti, is comprised of the Vedas, the Brahmanas, the Aranyakas, and the Upanishads.
Brahmanas are the commentaries on the Vedic hymns. They are written in simple prose which often refers to the social-political scenario of the period. The Aranyakas were meant to be the guide for those who lived in hermitage. The Upanishads, which were probably composed around the 6th century BCE, are the foundation on which Indian philosophy stands. They put forth various explanations about life. They try to explore the relationship between the soul and the creator of life.
Mahakavyas were composed during the later Vedic period. They are also known as the Great Epics.