The Kenyanthropus Platyops Find at Lake Turkana, Kenya, While Still

The Kenyanthropus platyops find at Lake Turkana, Kenya, while still debated, could mean __________.

A) that the early hominin line is a complex one, represented by multiple species
B) that the early hominin line's membership is well understood
C) that Australopithecus is not in fact a hominin
D) that the hominin line is more clearly linear than previously thought