REM Sleep Has Been Called &Quot;paradoxical Sleep"because

Multiple Choice

REM sleep has been called "paradoxical sleep"because

A) the brain is very active,yet the body is entirely inactive.
B) the body is very active and restless,but the brain is very inactive.
C) the eyes are closed even though the person is technically awake.
D) colourful dreams occur,in contrast to the black-and-white dreams of NREM sleep.