有如下程序：includeiostream．husingnamespacestd；classBase{public：Base（）{cout＜＜BB；f（）；}voidf（）{cout＜＜BF；}}；classDerived：publicBase{public：Derived（）{cout＜＜DD；}voidf（）{eout＜＜Df；}}；intmain（）{Derivedd；return0；}执行上面的程序将输出（ ）。A.BBBfDDB.BBDfDDDfC.DDD.DDBBBf
有如下程序：
include<iostream．h>
usingnamespacestd；
classBase
{
public：
Base（）{cout＜＜"BB"；f（）；}
voidf（）{cout＜＜"BF"；}
}；
classDerived：publicBase
{
public：
Derived（）{cout＜＜"DD"；}
voidf（）{eout＜＜"Df"；}
}；
intmain（）{Derivedd；return0；}
执行上面的程序将输出（ ）。
A.BBBfDD
B.BBDfDDDf
C.DD
D.DDBBBf
相关考题：
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