题目内容：
根据以下材料，回答题"Well,we'reinournewhouse.Let'sgetanewpettogetalongwithit,"Mrs.Brownsaidtoherhusband.
"Thatsoundslikeaprettygoodidea,"heanswered."Doyouwanttoseetheadsinthenews-paper?"
"Let'sgototheanimalshelter.Manypetsthereneedhomes.SincetomorrowisSaturday,wecanbothgo,"shesaid.
NextmorningtheBrownsmetMr.Snowattheanimalshelter."Wewanttobesurethatthepetsheregotogoodhomes,"Mr.Snowsaid,"SoIneedtoaskyousomequestions."
Aftertheytalkedforawhile,theBrownsdecidedtogetasmalldog.Itwouldn'tneedabighouseorabigyard.Asmalldogwouldbarkandwarnthemifsomeonetriedtobreakintotheirhouse.
AfterMr.SnowgavetheBrownsabookonpetcare,theychoseoneandwantedtotakeherhomerightaway.Buttheanimaldoctorhadn'tcheckedheryet.SoMr.Snowtoldthemtoreturnon
Sunday.
OnSundayafternoontheBrownswenttotheanimalshelter.Theanimaldoctorsaid,"Shadowhashadallofhershots.Shewillbehealthy."ThebrownsthankedthedoctorandtookShadowhome.
Fromthepassagewelearnthat__________. A．theBrownshaveneverhadapetbefore
B．theBrownsknewaboutShadowfromthenewspaper
C．Shadowisasmallandhealthydog
D．Mr.Browndidn'tquiteagreewithhiswife
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答案解析：