What did the Romans do when they conquered Greek city-states?

They banned the Greek religion.

They converted to the Greek religion.

They ignored the teachings of the Greek religion.

They adopted some elements of the Greek religion.

They converted to the Greek religion.

Explanation:

Greek culture was very refined and sophisticated. The Romans adopted Greek culture and ways, lifestyles, philosophy. A process of cultural absortion took place. The Romans also took the Greek gods and asimilated them, giving Roman names to the deities; they incorporated Greek mythology, too.

B. they converted to greek religion