Final answer:
The subject of the given quote, 'Eternity was in our lips and eyes, Bliss in our brows' bent,' is Cleopatra
Step-by-step explanation:
The subject of the given quote, 'Eternity was in our lips and eyes, Bliss in our brows' bent,' is Cleopatra (option A). The quote highlights the intense love and passion between Cleopatra and Marc Antony. Cleopatra was the last pharaoh of Egypt and played a significant role in the political landscape of the Roman Empire during the time.