题目内容：
根据以下材料回答题 Mostpeoplehavehadadogorwantedoneastheircompanionatsometimeintheirlives．Ifyouarethinkingofbuyingadog,however,youshouldfirstdecidewhatsortOfcompanionyouneedandwhetherthedogislikelytobehappyinyourhouse．Specialists'(专家)adviceisusefultohelpyouchoosethemostsuitablekindofdog．Butinpartthedecisiondependsoncommonsense．
Differentdogsweredevelopedtoperformspecifictasks．So,ifyouwantadogtoprotectyouoryourhouse,forexample,youshouldchoosetheonethathastherightsizeandcharacteristics．
Youmustalsobereadytodevote(投入)agreatdealoftimetotrainingthedogwhenitisyoungandgiveittheexerciseitneedsthroughoutitslife,unlessyouliveinthecountrysideandcanletitrunfreely．
Dogsaredemandingpets．Catslovethehouseandsoaresatisfactorywiththeirplacewherethereissecure,butadogisloyaltoitsmasterandconsequentlywantshimtoshowproofofhisaffection．Thefirstconsiderationinbuyingadogiswhetherthedogislikelytobehappyinthesurroundingsyoucanprovide．Thebesttimetobuyababydogiswhenitisbetween6and8weeksoldsothatitcantransferitslovefromitsmothertoitsmaster．Ifbabydogshavenotestab-lishedarelationshipwiththehumanbeinguntiltheyareoverthreemonthsold,theirstrongrela-tionshipwillalwaysbewithdogs．Theyarelikelytobetooshywhentheyarebroughtoutintotheworldtobecomegoodpets．
WhichofthefollowingisNOTTRUEaccordingtothepassage? A．Youcanalwaysgethelpfromthespecialists．
B．Itiscommonsensethatisthemostimportantwhenchoosingadog．
C．Youshoulddecidewhatkindofdogyouwant．
D．Sizeandcharacteristicsofthedogsshouldbeconsideredtoo．
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