----- We could have asked Mr. Zhang for help. He is caring and considerate.

----- I_______ that. A long time _______.

A．forgot; had been wasted

B．forget; wasted

C．have forgotten; wastes

D．forgot; was wasted

以下程序的输出结果是( )。
#include ＜iostream.h＞
main()

int b[3][3]=(0,1,2,0,1,2,0,1,2),i,j,t=1;
for(i=0; i＜3; i++)
for(j=i；j＜=i；j++)
t=t+b[i][b[j][j]];
cout＜＜t;

A．3
B．4
C．1
D．9