"Paradoxical Sleep" Is So Named Because It ________

"Paradoxical sleep" is so named because it ________.

A) increases as people age, even though people tend to spend less overall time in deep sleep as they age
B) appears in infants who are too young to need to dream to release tensions or to consolidate memories
C) occurs in species other than human beings, yet human beings are the only species with the symbol-creating capacity necessary for dreaming
D) shows a brain-wave pattern characteristic of wakefulness, while all other measures indicate the organism is in deep sleep