How did the romans worship their gods? select all that apply. a. they prohibited all foreign religious practices. b. they named them after greek and etruscan gods. c. they prayed to them at temples. d. they honored them at festivals.

The Romans honored them at festivals,they celebrated special days for different gods by holding festivals, which had many grand  processions and parties.
They did pray to them in temples where they made sacrifices of animals and precious things. Romans believed that blood sacrifices were the best way to please gods.  They built temples for only 1 god or they built  temples to honor all of the mighty gods which were called Pantheons.
I don't think that B is right. The romans workshipped the same gods as the Greeks and believed in many of the same myths and attributes to the gods but renamed the Greek gods like for example Zeus (in Greece) became Jupiter (Roman) 
A is wrong, they didn't prohibt other religions in their vast empire which is why they became so successful, they allowed other religions in their empire to continue their religions just as long as they respected the Roman  gods but they didn't have to follow the Roman gods.

It might be the second one