Answer:
A) It is a fact that all dream.
B) Some dreams last for seconds while others seem to last for hours.
C) Some dreams are amusing while others are horrifying.
(?) D) Dreams tend to last as the night progresses.
(?) E) The content and purpose (of) dreams are not fully understood.
I don't know how right the last two are, but that is the best I could think of at the moment.
Explanation:
