Why Doesn't a Sleeping Person Act Out His/her Dreams

Multiple Choice

Why doesn't a sleeping person act out his/her dreams?

A) In REM sleep, body temperature is lowered, which impairs muscle activity.
B) The visual cortex is inhibited during REM sleep.
C) A person transitions too rapidly from REM to non-REM sleep to move.
D) During REM sleep the afferent and efferent neural pathways are inhibited.
E) Spinal reflexes are not possible during REM sleep.