For us, this means that evolution is over; the biological Utopia has arrived. Strangely, it has involved little physical change. No other species fills so many places in nature. But in the pass 100,000 years -- even the pass 100 years -- our lives have been transformed but our bodies have not. We did not evolve, because machines and society did it for us. Darwin had a phrase to describe those ignorant of evolution: they look at an organic being as a savage looks at a ship, as at something wholly beyond his comprehension. No doubt we will remember a 20th century way of life beyond comprehension for its ugliness. But however amazed our descendants may be at how far from Utopia we were, they will look just like us.
55. What used to be the danger in being a man according to the first paragraph?
[A] A lack of mates.
[B] A fierce competition.
[C] A lower survival rate.
[D] A defective gene.
56. What does the example of India illustrate?
[A] Wealthy people tend to have fewer children than poor people.
[B] Natural selection hardly works among the rich and the poor.
[C] The middle class population is 80% smaller than that of the tribes.
[D] India is one of the countries with a very high birth rate.
57. The author argues that our bodies have stopped evolving because ________.
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