It can be inferred that when humans crossed into t...

Câu hỏi: It can be inferred that when humans crossed into the New World, they ______A.                  B.  

A. had previously hunted mammoths in Siberia.

B. soon learned to use dogs to hun mammoths.

C. brought mammoths with them from the Old World.

D. had never seen mammoths before.