Which of These Is TRUE for a Chemoorganoheterotroph

Multiple Choice

Which of these is TRUE for a chemoorganoheterotroph?

A) Uses inorganic carbon as an energy source and organic carbon as a carbon source.
B) Uses inorganic carbon as an electron source and organic carbon as a carbon source.
C) Uses organic carbon as an electron source and inorganic carbon as a carbon source.
D) Uses organic carbon as an electron source and a carbon source.
E) Uses inorganic carbon as an energy source and a carbon source.