It is stated in the passage that killer bees A. are more deadly than African bees. B. never attack animals. C. always attack African bees. D. are less aggressive than African bees.
Giải thích
Lời giải:
6. Thông tin: Experts point out, however, that the mixed breed known as the killer bee is actually not at all as aggressive as the pure African bee.
Đáp án: D