The correct answer is: D. All of the above.
The Vedas are the oldest scriptures of Hinduism, and they are considered to be the most sacred texts. The Vedas are a collection of hymns, rituals, and philosophical texts that were written over a period of several thousand years. The Bhagavad Gita is a Hindu scripture that is part of the Mahabharata, an epic poem. The Bhagavad Gita is a dialogue between the warrior Arjuna and his charioteer Krishna, who is an incarnation of the god Vishnu. The Mahabharata and the Ramayana are two of the most important epics in Hinduism. They are both stories about the struggle between good and evil, and they contain many important teachings about Hindu philosophy and religion.
The Vedas, the Bhagavad Gita, the Mahabharata, and the Ramayana are all sacred texts of Hinduism. They are all considered to be important sources of Hindu knowledge and wisdom.