Suppose that you found an organism that can photosynthesize. Based on your findings, which of the following organisms could it most likely be?

A) It could be only a eukaryote.
B) It could be either an archaean, a bacterium, or a eukaryote.
C) It could be either an archaean or a eukaryote.
D) It could be either a bacterium or a eukaryote.