题目内容：
Questionsarebasedonthefollowingpassage.
Accordingtopsychologists(心理学家),anemotionisarousedwhenamanoranimalviewssomethingaseitherbadorgood．Whenapersonfeelslikerunningawayfromsomethinghethinkswillhurthim,wecallthisemotionfear．Ifthepersonwantstoremovethedangerbyattackingit,wecalltheemotionanger．Theemotionsofjoyandlovearearousedwhenwethinksomethingcanhelpus．Anemotiondoesnothavetobecreatedbysomethingintheoutsideworld．Itcanbecreatedbyaperson'sthoughts.
Everyonehasemotions．Manypsychologistsbelievethatinfantsarebornwithoutemotions．Theybelievechildrenlearnemotionsjustastheylearntoreadandwrite．Agrowingchildnotonlylearnshisemotionsbutlearnshowtoactincertainsituationsbecauseofanemotion.
Psychologiststhinkthattherearetwotypesofemotion:positiveandnegative．Positiveemotionsincludelove,liking,joy,delight,andhope．Theyarearousedbysomethingthatappealstoaperson．Negativeemotionsmakeapersonunhappyordissatisfied．Theyincludeanger,fear,despair,sadness,anddisgust．Ingrowingup,apersonlearnstocopewiththenegativeemotionsinordertobehappy.
Emotionsmaybeweakorstrong．Somestrongemotionsaresounpleasantthatapersonwilltryanymeanstoescapefromthem．Inordertofeelhappy,thepersonmaychooseunusualwaystoavoidtheemotion.
Strongemotionscanmakeithardtothinkandtosolveproblems．Theymaypreventapersonfromlearningorpayingattentiontowhatheisdoing．Forexample,astudenttakinganexaminationmaybesoworriedaboutfailingthathecannotthinkproperly．Theworrydrainsvaluablementalenergyheneedsfortheexamination.
Welearnfromthepassagethatanemotioniscreatedbysomething__________. A．onethinksbadorgood
B．onefeelsindanger
C．onefacesintheoutsideworld
D．onetriestoescapefromreallife
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