Final answer:
The Summa Theologica by Thomas Aquinas was the work most actively engaged in the medieval disputes over the teachings of Church scholars. Hence the correct option is D.
Step-by-step explanation:
The Summa Theologica, written by the medieval philosopher and theologian Thomas Aquinas, played a significant role in the medieval disputes over the teachings of Church scholars.Thus the correct option D.
Aquinas sought to reconcile Christian theology with the philosophy of Aristotle, and his work addressed various theological and philosophical questions. The Summa Theologica became a key text in the study of Scholasticism, a medieval school of thought that sought to reconcile faith and reason. While the Bible (option B) was undoubtedly central to theological discussions, The Summa Theologica stands out as a specific work that actively engaged in the disputes and discussions of the time.