IT CAN BE INFERRED THAT WHEN HUMANS CROSSED INTO THE NEW WORLD, THEY...

Câu 47: It can be inferred that when humans crossed into the New World, they ______

A. had previously hunted mammoths in Siberia. B. had never seen mammoths before.

C. brought mammoths with them from the Old World.

D. soon learned to use dogs to hun mammoths.