1. 3, 0, 5, -2, 7, ( )A.9 B.0 C.-9 D.-4
2. 6, 11, 17, ( ), 45A.22 B.25 C.28 D.30
3. 12, 36, 80, 150, ( )A.201 B.216 C.248 D.252
4. 23, 31, 44, 52, 66, ( )A.80 B.84 C.72 D.74
5. 2, 9, 64, 625, ( )A.1728 B.3456 C.7776 D.5184