Able to synthesize chemical energy or obtain it from an external source in both the presence and the absence of oxygen, kingdom Eubacteria is the only one of the six-kingdom classification system that displays the full range of metabolic diversity.

A)is the only one of the six-kingdom classification system that displays
your answer

B)is alone out of the six-kingdom classification system since they display

C)alone among the six kingdoms that comprise the classification system displays
correct

D)are the only ones out of the six kingdoms that comprise the classification system in displaying

E)only of the six-kingdom classification system displays


OA C


Someone explain please.