资料：Dreamisastorythatapersonwatchesoreventakespartinduringsleep.Dreameventsareimaginary,buttheyarerelatedtorealexperiencesandneedsinthedreamer'slife.Theyseemrealwhiletheyaretakingplace.Somedreamsarepleasant,othersareannoying,andstillothersarefrightening.Everyonedreams,butsomepersonsneverrecalldreaming.Othersrememberonlyalittleaboutadreamtheyhadjustbeforeawakeningandnothingaboutearlierdreams.Noonerecallsallhisdreams. Dreamsinvolvelittlelogicalthought.Inmostdreams,thedreamercannotcontrolwhathappenstohim.Thestorymaybeconfusing,andthingshappenthatwouldnothappeninreallife.Peopleseeinmostdreams,buttheymayalsohear,smell,touch,andtasteintheirdreams.Mostdreamsoccurincolor.Butpersonswhohavebeenblindsincebirthdonotseeatallindreams. Dreamsareaproductofthesleeper'smind.Theyincludeeventsandfeelingsthathehasexperienced.Mostdreamsarerelatedtoeventsofthedaybeforethedreamandstrongwishesofthedreamer.Manyminorincidentsofthehoursbeforesleepappearindreams.Deepwishesorfears-especiallythoseheldsincechildhood-oftenappearindream.andmanydreamsfulfilsuchwishes.Eventsinthesleeper'ssurrounding-aloudnoise,forexample,maybecomepartofadream,buttheydonotcausedreams. Somedreamsinvolvedeepfeelingthatapersonmayrealizehehas.Psychiatristsoftenusematerialfromapatient’sdreamstohelpthepersonunderstandhimselfbetter. Dreamingmayhelpmaintaingoodlearningability,memory,andemotionaladjustment.Peoplewhogetplentyofsleep-butareawakenedeachtimetheybegintodream-becomeanxiousandrestless. Accordingtothepassage,dreamsresultfrom______.
A.the sleeper’s own mind B.the sleeper’s feeling C.the sleeper’s imagination D.the sleeper’s wishes正确答案A
