Which Statement Is NOT a Reason Why Homologous Structures May

Which statement is NOT a reason why homologous structures may look very different when comparing two different species?

A) Those two species may have been exposed to different environments during their evolution.
B) Those two species may use the structures for very different purposes.
C) Those two species may be separated by millions of years of evolutionary history.
D) Anatomical structures reflect evolutionary changes that have occurred in the two species.
E) The homologous structures may have arisen independently in the two species that are closely related.