单选题Complete each sentence with the correct ending,
A-G, below. Write the correct letter, A-G, in boxes
37-40 on your answer sheet. A. inconsistencies between
height, skeleton and dental evidence. B. the fact that human
beings walk on two legs. C. the way teeth grew.
D. a need to be dependent on others for survival. E.
difficult climatic conditions. F. increased quantities of
food. G. the existence of much larger brains than
previously.
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Until recently, delayed growth in humans until adolescence was felt to be due to
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In her research, Margaret Clegg discovered
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Steven Leigh thought the existence of adolescence is connected to
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Research on Neanderthals suggests that they had short lives because of