—Do you know ____ for Beijing last night?

—8:00.[ ]

A. when he leaves    

B. when does he leave

C. when he left      

D. when did he leave

下列程序的执行结果是（）。
#include＜iostream.h＞
#include＜stdlib.h＞
class TestClass

public:
int x,y;
TestClass () x=y=0;
TestClass (int a,int b)x=a;y=b;
void disp()

cout＜＜"x="＜＜x＜＜",y="＜＜y＜＜end1;

void main()
TestClass s1(2,3);
s1.disp();

A.x=2,y=2              

B. x=2,y=3   

C. x=3,y=2           

D. x=3,y=3