Based on the historical context, if I am Arjuna, poised on the field of conquest, what I must do is that "I must do my duty."
This is because Lord Krishna's advice to Arjuna was that Arjuna should perform his duty. Otherwise, he would lose his reputation and incur sin.
But as an honored person, it is advisable to avoid such a disgrace because dishonor is worse than death.
Hence, in this case, it is concluded that the correct answer is option D. "do your duty."
Learn more about Lord Krishna here: https://brainly.com/question/17105823
