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16.in swartkans territory, archaeologists discovered charred bone fragments dating back one million years.analysis of the fragments,wich cme from a cariety of animals,showed that had been heated to temperatures no higher than those produced in experimental campfires made from branches of white stinkwood, the most common tree around swartkans. which of the follwing, if true, would, togeter with the information above,provide the best basis for the claim that the charred bone fragments are evidence of the use of fire by early hominids? a the white stinkwood tree is used for building material by the present-day inhabitants of swartkans b forest fires can heat wood to a range of temperatures that occur in campfires c the bone fragments were fitted toether by the archaeologists to form the comoplete skeletons of several animals d apart from the swartkans discovery, there is reliable evidence that early hominids used fire as many as 500000 years ago e the bone fragments were found in several distinct layers of limestone that contained primitive cutting tools known to have been uesd by early hoominids 题目里说的温度没有达到篝火的温度,就说明了不是原始人在用火啊,为什么结论又是证明在用火呢     |