【例题】-2,0,1,1,( )
A.-l B.0 C.1 D.2
【例题】0,0,1,5,23,( )
A.119 B.79 C.63 D.47
【例题】3,2,11,14,( )
A.17 B.19 C.24 D.27
【例题】1,2,2,3,4,( )
A.3 B.7 C.8 D.9
【例题】227,238,251,259,( )
A.263 B.273 C.275 D.299