A.Addingacompanylogotobusinessdocuments
B.AstheUIwidgetsfor1specificXPagethatwillneverbereplicatedbyanyotherXPages，ever
C.Addingmailinglabelinformationtomailandmemopages
D.Asacontrolthatneedstoappearconditionally，dependingontheresultofaformula
参考答案：B
