有下列程序:#include<iostream>using namespace std;c1ass TestClass{private;char c;public:Tes
有下列程序: #include<iostream> using namespace std; c1ass TestClass { private; char c; public: TestClass(char n):c(n){} ~TeStClass() { cout<<c } }; class TestClass1:public TestClass {
A.xy
B.yx
C.x
D.y