One Reason That African American Athletes Have Been More Successful

One reason that African American athletes have been more successful in certain sports, such as football and basketball, is that

A) these sports require natural exceptional physical skills.
B) there is wide public access where these sports can be learned and played.
C) African Americans have a good chance of making it to the professional ranks in these sports.
D) these are the types of sports their ancestors brought with them from Africa.