The correct answer is: A. the, the.
The Bhagavad Gita is a Hindu scripture that is part of the Mahabharata. It is a dialogue between the warrior Arjuna and his charioteer Krishna, who is an incarnation of the god Vishnu. The Gita is set on the eve of the Kurukshetra War, and Arjuna is filled with doubt and despair about the impending battle. Krishna counsels Arjuna on the nature of duty, action, and the soul. The Gita is one of the most important texts in Hinduism, and its teachings have been interpreted in many different ways.
The word “the” is used before the names of specific things, such as the Bhagavad Gita. The word “a” is used before the names of general things, such as a book. In this case, the Bhagavad Gita is a specific book, so the correct answer is “the.”
The other options are incorrect because they use the word “a” before the name of a specific book.