The next day she ______ her father what _______ when the man came again.

A．told; happened

B．was telling; had happened

C．had; told 　

D．told; had happened

执行以下程序后，输出结果第二行的内容是______。
#include＜iostream＞
using namespace std;
class TestClass

public:
virtual void who()cout＜＜"Base Class"＜＜endl;
;
class TestClass1:public TestClass

public:
virtual void who()cout＜＜"TestClass1 Class"＜＜endl;
;
class TestClass2:public TestClass

public:
virtual void who()cout＜＜"TestClass2 Class"＜＜endl;
;
int main(int argc,char*argv[])

TestClass obj1,*p;
TestClass1 obj2;
TestClass2 obj3;
P=&obj1;p-＞who();
p=&obj2;p-＞who();
p=&obj3;p-＞who();
return 0: