In sentence 14 (reproduced below), the writer wants to rebut the idea presented in the first part of the sentence by offering a contrasting perspective. Admittedly, sometimes parents claim that they have witnessed their toddlers having terrible nightmares, which can be more frightening for the parents than for the toddlers.

Which version of the underlined text best accomplishes this goal?

A. (as it is now)

B. which are typically the children’s way of working through a change in life, such as starting day care or preschool

C. but these can be alleviated by establishing a regular, early bedtime routine to ensure adequate sleep

D. but these are actually night terrors, which are not dreams but episodes that occur in non-REM sleep

E. which would prove that young children are capable of having dreams, particularly frightening ones