Which supporting detail best fits the topic sentence below?
There are many different theories on why people have
dreams.
O A. People who study dreams are called
oneirologists.
B. During some stages of sleep, the brain
does not actually shut down, but rebuilds
cells.
C. No one knows for sure why we dream, but
people will keep guessing until we do.
O D. Some scientists believe that dreams help
the brain make memories.