The correct options are
A Large jaws and heavy teeth
C Proper body proportions, with arms longer than their legs
D No social behaviour
Cro-Magnon humans had a well-built body with less prominent jaws and relatively smaller teeth, as compared to earlier species. They had a distinct chin, and legs longer than arms. They were relatively tall with an average height of about 5’7”. They lived in families and made tools and ornaments.