6,7,3,0,3,3,6,9,5,( )
A.4;B.3;C.2;D.1;
6,7,3,0,3,3,6,9,5,() A.4;B.3;C.2;D.1;
:6,7,3,0,3,3,6,9,5,()A.4 B.3 C.2 D.1
0,3,3,6,9,5,() A,7 B. 6 C. 4 D.8
0,3,2,5,4,7,() A.6 B.7 C.8 D.9
6,7,3,0,3,3,6,9,()。A.5 B.6 C.7 D.8
6,7,3,0,3,3,6,9,5,()A.1B.2 C.3D.4