Hominid Fossils Indicate Which of the Following Differences Between Homo

Hominid fossils indicate which of the following differences between Homo habilis and Homo erectus?

A) H.habilis shows a reduction in the size of the face relative to the brain case.
B) H.erectus shows a reduction in the size of the face relative to the brain case.
C) H.habilis generally has a greater brain capacity than H.erectus.
D) H.erectus generally has a smaller brain capacity than H.habilis.