Which of the Following Is NOT a Likely Explanation for Why

Which of the following is NOT a likely explanation for why early hominins migrated across vast distances throughout Afroeurasia?

A) The relatively larger sizes of early hominin brains required large quantities of food, which caused groups to roam farther and farther afield in search of sufficient food supplies.
B) The emergence of the more intelligent Homo sapiens drove earlier hominins from their native lands.
C) Climatic shifts created conditions in which early hominins could travel more easily.
D) The discovery of fire by early hominins enabled them to adapt to a wide range of environments.