The correct option is
A ATP and NADPH
2ATP and NADPH2 are generally are the source of instant energy in a particular cell which helps in the regeneration or assimilation of several metabolic substances in a cell. The ATP breaks to release the inorganic phosphates in order to provide energy during the assimilative process while NADPH2 breaks into NADH and inorganic phosphate. The inorganic phosphate helps in the formation of regeneration of ATP. NADH also regenerates ATP, it's one molecule provide 3 ATP which in turn provide the power of assimilation to the cell
So, the correct answer is 'ATP and NADPH2'