14. According to the passage, the outer coat of sheep 8,000 years ago was
(A) white
(B) coarse
(C) warmer than that of bighorn sheep
(D) similar to that of the modern sheep
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統計: A(2), B(8), C(0), D(0), E(0) #801737
統計: A(2), B(8), C(0), D(0), E(0) #801737