一篇阅读理解,快………………
"Dreamsmaybemoreimportantthansleep.Weallneedtodream,"somescientistssay.
Dreamstakeupaboutonequarterofoursleepingtime.Peoplehaveseveraldreamseachnight.Dreamsarelikeshortfilms.Theyareusuallyincolor.Somedreamsarelikeoldfilms.Theycometousoverandoveragain.Thatmaybebecausethedreamerisworryingaboutsomething.Dreamingmaybeawayoftryingtofindananswer.
Somepeoplegetnewideasabouttheirworkfromdreams.Theymayhavebeenthinkingabouttheirworkallday.Thesethoughtscancarryoverintodreams.
Sometimeswewakeupwithagoodfeelingfromadream.Butoftenwecan'tremerberthedream.Dreamscandisappearquicklyfrommemory.
Toomuchdreamingcanbeharmful.Themorewesleep,thelongerwedream.Themindworkshardwhenwedream.Thatiswhywemayhavealongsleepandstillwakeuptired.
Themainideaofthestoryisthat__
A.peopleneedtodream
B.peopleliketosleep
C.dreamsarelikefilms
D.wealwaysrememberdreams