Final answer:
People in the same religious group do not have to practice the same religion.
Step-by-step explanation:
The answer is B. False. People in the same religious group do not have to practice the same religion. Religious groups can have different interpretations of religious texts and different practices and rituals. For example, within Christianity, there are different denominations such as Catholicism, Protestantism, and Orthodox Christianity, each with its own distinct beliefs and practices.