P680+ is said to be the strongest biological oxidizing agent. The strong oxidizing potential of P680+ is essential for its function because it ________.

A) is the receptor for the most excited electron in either photosystem of photosynthesis
B) is the molecule that transfers electrons to plastoquinone (Pq) of the electron transfer system
C) transfers its electrons to reduce NADP+ to NADPH
D) obtains electrons from the oxygen atom in a water molecule