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