Please answer the following question: James noticed that people who communicate well have fewer problems.  Some people communicate easily with strangers, others need to talk with members of their own groups.  A religion is a type of group.  What do members of a religion have in common? Choose the most suitable option to answer the above question. Options：  A. believe in god  B. talk to each other  C. pay bills  D. learn from each other  E. believe in ghosts
Answer:
A