Which of the following(s) are correct?單選或多選:a. Energy released from the electrons transport chain between two photosystems is used to pump hydrogen ions into the thylakoid space.b. The Calvin cycle uses ATP and NADPH from the light reactions to generate sugar from carbon dioxide.c. Photosynthesis can be divided into the light reactions and the Calvin cycle.d. As the electrons of the reactions-center chlorophyll are excited and trapped by the primary electron acceptors, the first photosystem then replaced them by extracting new ones from water molecules.e. Solar energy is absorbed, by chlorophylls and other pigments in the thylakoid membrane of chloroplasts, to generate NADPH and ATP in the light reactions