It can be inferred that when humans crossed into the New World, they ____ A. had previously hunted mammoths in Siberia B. had never seen mammoth before C. brought mammoths with them from the

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It can be inferred that when humans crossed into the New World, they ____

had previously hunted mammoths in Siberia

had never seen mammoth before

brought mammoths with them from the Old World

soon learned to use dogs to hunt mammoths

Giải thích

Đọc cả đoạn văn ta thấy đáp án A là hợp lý nhất. Các đáp án còn lại không đúng.