B
Havingahusbandmeansanextr asevenhoursofhouseworkeachweekforwomen,accordingtoanewstudy.Formen,gettingmarriedsavesanhourofhouseworkaweek.“It’sawell-knownpattern,”saidleadresearcherFrankStaffordatUniversityofMichigan’sInstituteforSocialResearch.“Menusuallyworkmoreoutsidethehome,whilewomentakeonmoreofthehousework.”
Hepointsoutthatd ifferencesamonghouseholds（家庭）exist.Butingeneral,marriagemeansmorehouseworkforwomenandlessformen.“Andthesituationgetsworseforwomenwhentheyhavechildren,”Staffordsaid.
Overall,timesarechangingintheAmericanhome.In1976,womenbusiedthemselveswith26weeklyhoursofsweeping-and-dustingwork,comparedwith17hoursin2005.Menaretakingonmorehousework,morethandoublingtheirhouseworkhoursfromsixin1976to13in2005.
Singlewomenintheir20sand30sdidtheleasthousework,about12weeklyhours,whilemarriedwomenintheir60sand70sdidthemost-about21hoursaweek.
Menshowedasomewhatd ifferentpattern,witholdermenpickingupthebroommoreoftenthanyoungermen.Singlemenworkedthehardestaroundthehouse,morethanthatofallotheragegroupsofmarriedmen.
Havingchildrenincreaseshouseworkevenfurther.Withmorethanthreechildren,forexample,wivestookonmoreoftheextr awork,clockingabout28hoursaweekcomparedwithhusbands’10hours.
45.Accordingtothe“well-knownpattern”inParagraph1,amarriedman___________.
A.takesonheavierworkB.doesmorehousework
C.isthemainbreadwinnerD.isthemasterofthehouse
正确答案：C
