The sects and churches with FBLDs described in the passage are most likely to be categorized as: [A. countercultures, because members' values and norms oppose those of mainstream society. B. utilitarian organizations, because membership is voluntary and based on shared values. C. subcultures, because members' values and norms are distinct from mainstream society. D. aggregates, because membership is based on a sense of unity and identification with the group. ]