Which of the following is TRUE about the ancient Africans mentioned in the research?
[A] They moved to other areas to seek for food and resources.
[B] The environment in Arabian Peninsula is better for them.
[C] They are the ancestors of the present Arabian Peninsula inhabitants.
[D] The reason of their migration still remains inconclusive.
The fifth paragraph suggests that in the field of science
[A] women have advantages over men :in competition.
[B] women tend to be in a less embarrassing level.
[C] men are playing more important roles.
[D] men are one third less than women in number.
具体真实与整体真实、微观真实与宏观真实、个体真实与总体真实、狭义真实与广义真实