There are many theories about why stonehenge was built. some believe it was a temple for religious ceremonies. others think it was an astronomical tool or calendar. what best explains why there are so many interpretations of stonehenge's purpose? a. the people who built stonehenge left no written records. b. primary sources about stonehenge disagree with each other. c. few people believe stonehenge was built in ancient times. d. stonehenge was not discovered until the 19th century.