Which best describes the difference between protestant and catholic beliefs
a. catholics give spitual athority to the pope
b. catholics allow priest to marry
c. catholics believe the bible is the only source of truth
d. catholics allow birth control

The phrase which best describes the difference between protestant and catholic beliefs is that c) Catholics believe the bible is the only source of truth. However, other than the statement lettered d and b the other phrase is true, Catholics give spiritual authority to the pope, while Protestants do not revere him. Protestants let their priests marry, but do Catholics do not.