根据以下材料,回答 Peopledonotanalyzeeveryproblemtheymeet.Sometimestheytrytorememberasolutionfromthelasttimetheyhadasimilarproblem.Theyoftenaccepttheopinionsorideasofotherpeople.Othertimestheybegintoactwithoutthinking;theytrytofindasolutionbytrialanderror.However,whenallthesemethodsfail,thepersonwithaproblemhastostartanalyzing.Therearesixstagesinanalyzingaproblem. Firstthepersonmustrecognizethatthereisaproblem.Forexample,Sam′sbicycleisbroken,andhecannotrideittoclassasheusuallydoes.Sammustseethatthereisaproblemwithhisbicycle. Nextthethinkermustdefinetheproblem.BeforeSamcanrepairhisbicycle,hemustfindoutthereasonwhyitdoesnotwork.Forinstance,hemustdetermineiftheproblemiswiththegears,thebrakes,ortheframe.Hemustmakehisproblemmorespecific. Nowthepersonmustlookforinformationthatwillmaketheproblemclearerandleadtopossiblesolutions.Forinstance,supposeSamdecidedthathisbikedoesnotworkbecausethereissomethingwrongwiththegearwheels.Atthistime,hecanlookinhisbicyclerepairbookandreadaboutgears.Hecantalktohisfriendsatthebikeshop.Hecanlookathisgearscarefully. Afterstudyingtheproblem,thepersonshouldhaveseveralsuggestionsforapossiblesolution.TakeSamasanillustration.Hissuggestionsmightbe:putoilonthegearwheels;buynewgearwheelsandreplacetheoldones;tightenorloosenthegearwheels.Eventuallyonesuggestionseemstobethesolutiontotheproblem.Sometimesthefinalideacomesverysuddenlybecausethethinkersuddenlyseessomethingneworseessomethinginanewway.Sam,forexample,suddenlyseesthatthereisapieceofchewinggumbetweenthegearwheels.Heimmediatelyrealizesthesolutiontohisproblem:hemustcleanthegearwheels. Finallythesolutionistested.Samcleansthegearwheelsandfindsthatafterwardshisbicycleworksperfectly.Inshort,hehassolvedtheproblem. Whatisthebesttitleforthispassage?
A.Six Stages for Repairing Sam' s Bicycle B.Possible Ways to Problem-Solving C.Necessities of Problem Analysis D.Suggestions for Analyzing a Problem正确答案B