YoucreateaWebpagenamedTestPage.aspxandausercontrolnamedTestUserControl.ascx.TestPage.aspxusesTestUserControl.ascxasshowninthefollowinglineofcode.OnTestUserControl.ascx，youneedtoaddaread-onlymembernamedCityNametoreturnthevalue"NewYork".YoualsomustaddcodetoTestPage.aspxtoreadthisvalue.Whichtwoactionsshouldyouperform？（）A.AddthefollowinglineofcodetotheTestUserControl.ascx.cscode-behindfile.publicstringCityName{get{returnNewYork;}}B.AddthefollowinglineofcodetotheTestUserControl.ascx.cscode-behindfile.protectedreadonlystringCityName=NewYork;C.AddthefollowingcodesegmenttotheTestPage.aspx.cscode-behindfile.protectedvoidPage_Load(objectsender,EventArgse){strings=testControl.CityName;}D.AddthefollowingcodesegmenttotheTestPage.aspx.cscode-behindfile.protectedvoidPage_Load(objectsender,EventArgse){strings=testControl.Attributes[CityName];}

YoucreateaWebpagenamedTestPage.aspxandausercontrolnamedTestUserControl.ascx.TestPage.aspxusesTestUserControl.ascxasshowninthefollowinglineofcode.OnTestUserControl.ascx，youneedtoaddaread-onlymembernamedCityNametoreturnthevalue"NewYork".YoualsomustaddcodetoTestPage.aspxtoreadthisvalue.Whichtwoactionsshouldyouperform？（）

A.AddthefollowinglineofcodetotheTestUserControl.ascx.cscode-behindfile.publicstringCityName{get{return"NewYork";}}

B.AddthefollowinglineofcodetotheTestUserControl.ascx.cscode-behindfile.protectedreadonlystringCityName="NewYork";

C.AddthefollowingcodesegmenttotheTestPage.aspx.cscode-behindfile.protectedvoidPage_Load(objectsender,EventArgse){strings=testControl.CityName;}

D.AddthefollowingcodesegmenttotheTestPage.aspx.cscode-behindfile.protectedvoidPage_Load(objectsender,EventArgse){strings=testControl.Attributes["CityName"];}

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