The correct answers are A and D
A- Medieval philosophy achieved significant developments in the field of philosophy of religion. Medieval philosophy was strongly influenced by the big three Monotheistic Abrahamic religions.
In the Western world, early modern philosophers such as Hobbes, Locke, and Berkeley discussed religious topics.
C- Natural philosophy was also developed during this era. It included the study of nature and the physical universe. It was mainly influenced by Aristotle.