 <translate> The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5. So, 40 is wrong.
Thus, the answer is (C). <yor> Ìyàtọ̀ tó wà láàárín àwọn ìlà méjì tó tẹ̀ léra láti ìbẹ̀rẹ̀ ni 7, 5, 7, 5, 7, 5. Nítorí náà, ogójì kò tọ́. Nítorí náà, ìdáhùn náà ni (C). 