若有以下程序:#include <iostream>using namespace std;class Aprivate: int a;public: void seta(int x) a=x; void showa() cout<<a<<",";;class Bprivate: int b;public: void setb(int x) b=x; void showb() cout<<b<<",";;class C: public A, private Bprivate: int c;public: void setc(int x, int y, int z) c=z; seta(x); setb(y); void showc() showa(); showb(); cout<<c<<end1;;int main() C c; c.setc(1,2,3); c.showc(); return 0;程序执行后的输出结果是( )。
A. 1,2,3
B. 1,1,1
C. 2,2,2
D. 3,3,3
A1 Qaeda leaders helped Jose Padilla ______.
A. blow up an apartment building in the U. S.
B. gain access to sufficient natural gas and explosives
C. prepare for a terrorist attack with natural gas
D. store natural gas in an apartment building