Which of the Following Distinguishes Khoratpithecus from Sivapithecus

Which of the following distinguishes Khoratpithecus from Sivapithecus?

A) Khoratpithecus's molars are more similar to those of living chimpanzees than Sivapithecus's molars are.
B) Whereas Khoratpithecus lived in the area now known as France and Spain, Sivapithecus lived in Thailand.
C) Khoratpithecus's broad front teeth and a flat surface on the tongue side of the canines make it more similar than Sivapithecus to living orangutans.
D) Sivapithecus has dental features making it more similar to modern orangutans, while Khoratpithecus has postcranial bones that most closely resemble modern chimpanzees.