执行下面的程序将输出( ) #include class BASE{ char c; public: BASE(char n):c(n){} virtual ~BASE(){cout<<c;} };="" class="" derived:public="" base{="" char="" c;<="" p="">public:DERIVED(char n):BASE(n+1),c(n){}~DERIVED(){cout<<c;}< p="">};int main()
{DERIVED a(.X.);
return 0;
}
(本题5.0分)
A、 XY
B、 YX
C、 X
D、 Y

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