In the United States, the first day-nursery was opened in 1854. Nurseries were established in various areas during the (1)_____ half of the 19th century; most of (2)_____ were charitable. Both in Europe and in the U.S. the day nursery movement received great (3)_____ during the First World War, when (4)_____ of manpower caused the industrial employment of unprecedented numbers of women.

A、InsomeEuropeancountriesnurserieswereestablished(5)_____inmunitionsplants,underdirectgovernmentsponsorship.(6)_____thenumberofnurseriesintheU.S.alsorose(7)_____,thisrisewasaccomplishedwithoutgovernmentaidofanykind.DuringtheyearsfollowingtheFirstWorldWar,(8)_____,Federal,State,andlocalgovernmentsgraduallybegantoexerciseameasureofcontrol(9)_____theday-nurseries,chieflyby(10)_____themandbyinspectingandregulatingtheconditionswithinthenurseries.
B、The(11)_____oftheSecondWorldWarwasquicklyfollowedbyanincreaseinthenumberofday-nurseriesinalmostallcountries,mswomenwere(12)_____calledupontoreplacemeninthefactories.
C、Onthis(13)_____theU.S.governmentimmediatelysupportedthenurseryschools,(14)_____$6,000,000inJuly,1942foranursery-schoolprogramforthechildrenofworkingmothers.
D、ManyStatesandlocalcommunities(15)_____thisFederalaid.Bytheendofthewar,inAugust,1945,morethan100,000childrenwerebeingcared(16)_____indaycarecentersreceivingFederal(17)_____.Soonafterward,theFederalgovernment(18)_____cutdownitsexpendituresforthispurposeandlater(19)_____them,causingasharpdropinthenumberofnurseryschoolsinoperation.However,theexpectationthatmostemployedmotherswouldleavetheir(20)_____attheendofthewarwasonlypartlyfulfilled.
A、latter
B、late
C、other
D、first