What do these skulls in the fossil record tell us about hominin evolution?

A.the part of the skull surronding the brain grew larger as hominins evolved
B. The part of the skull surronding the brain grew more pointed as hominins evolved
C. The face grew wider as hominins evolved
D.the face stuck out farther then the rest of the skull as hominins evolved

A. The part of the skull surrounding the brain grew larger as hominins evolved