The Decision by Some Scientists to Call Neanderthals Homo Neanderthalis

The decision by some scientists to call Neanderthals Homo neanderthalis instead of Homo sapiens neanderthalis:

A) is arbitrary, as these titles are interchangeable.
B) proclaims that Neanderthals were in fact a separate species from anatomically modern humans, and did not interbreed with them.
C) indicates the view that Neanderthals and humans could interbreed.
D) is wholeheartedly endorsed by the entire scientific community.
E) means nothing.