Activation-synthesis dream theory purports that dreams rersult from the brain's effort to make sense of:

a. the day's activities and experiences
b. problems the person has not yet tresolved
c. our external world
d. spontaneously firing neurons during REM sleep.
My answer is D. Is this correct?

http://drdavespsychologypage.intuitwebsites.com/Dream_Revelations.pdf