问题详情

It"ssodifficulttofollowtheupsanddownsofa2-year-old．Onemomenthe"sbeamingandfriendly;thenexthe"ssullen(愠怒的)andweepy,oftenfornoapparentreason.Thesemoodswings,however,arejustpartofgrowingup.Theyaresignsoftheemotionalchangestakingplaceasyourchildstrugglestotakecontrolofactions,impulses,feelingsandhisbody.
Atthisage,yourchildwantstoexploretheworldandseekadventure.Asaresult,he"llspendmostofhistimetestinglimits,hisown,yoursandhisenvironment"s.Unfortunately,hestilllacksmanyoftheskillsrequiredforthesafeaccomplishmentofeverythingheneedstodo,andheoftenwillneedyoutoprotecthim.
Whenheoverstepsalimitandispulledback,heoftenreactswithangerandfrustration,possiblywithatempertantrum(发脾气)orsullenrage.Hemayevenstrikebackbyhitting,bitingorkicking.Atthisage,hedoesn"thavemuchcontroloverhisemotionalimpulses,sohisangerandfrustrationtendtoeruptsuddenlyintheform.ofcrying,hittingorscreaming.It"shisonlywayofdealingwiththedifficultrealitiesoflife.Hemayevenactoutinwaysthatunintentionallyharmhimselforothers.It"sallpartofbeing2.
It"snotuncommonfortoddlerstobeangelswhenyou"renotaround,becausetheydon"ttrustotherpeopleenoughtotesttheirlimits.Butwithyou,yourtoddlerwillbewillingtotrythingsthatmaybedangerousordifficult,becauseheknowsyou"llrescuehimifhegetsintotrouble.
Whateverprotestpatternhehasdevelopedaroundtheendofhisfirstyearwillprobablypersistforsometime.Forinstance,whenyou"reabouttoleavehimwithasitter,hemaybecomeangryandthrowatantruminanticipationoftheseparation.Orhemaywhimper,orwhineandclingtoyou.orhecouldsimplybecomesubduedandsilent.Whateverhisbehavior,trynottooverreactbyscoldingorpunishinghim.Thebesttacticistoreassurehimbeforeyouleavethatyouwillbebackand,whenyoureturn,topraisehimforbeingsopatientwhileyouweregone.Takesolaceinthefactthatseparationsshouldbemucheasierbythetimehe"s3yearsold.
The"upsanddowns"(Para.1)ofa2year-oldrefersto______.
A．hisfallingdownandstandingup
B．hissuccessesandfailuresindoingthings
C．hisgoodandbadtraits
D．hismoodswings
请帮忙给出正确答案和分析，谢谢！