During the Light-Dependent Reactions in Photosynthetic Eukaryotes, the Flow of Electrons

During the light-dependent reactions in photosynthetic eukaryotes, the flow of electrons in non-cyclic phosphorylation is from

A) PS II - cytochrome b/f complex - PS I - NADP⁺.
B) PS II - cytochrome b/f complex - NADP⁺ - PS I.
C) PS II - NADP⁺ - cytochrome b/f complex - PS I.
D) PS I - cytochrome b/f complex - PS II - NADP⁺.
E) PS I - cytochrome b/f complex - NADP⁺ - PS II.