题目信息
From a cache of burnt bones, including bone tools, found in South Africa, Homo erectus had estimated control of fire 700,000 years ago, although other hominid groups might have even mastered fire earlier.
A:Homo erectus had estimated control of fire 700,000 years ago, although other hominid groups might have even mastered fire earlier.
B:Homo erectus is estimated to have controlled fire 700,000 years ago, and other hominid groups even had mastered fire earlier
C:it is estimated that Homo erectus had control of fire 700,000 years ago, although other hominid groups might have mastered fire even earlier
D:it is estimated for Homo erectus to have controlled fire 700,000 years ago, although other hominid groups might even have mastered fire earlier
E:700,000 years ago, Homo erectus is estimated as having controlled fire, with other hominid groups even having mastery fire earlier
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C:it is estimated that Homo erectus had control of fire 700,000 years ago, although other hominid groups might have mastered fire even earlier
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