单选题What does the underlined phrase the question in Paragraph 1 refer to?AWhere do humans fit into this picture?BWill machines eventually replace human beings?CWhich could revolutionize my own job, teaching at school?DWho will prosper and who will not in this machine economy?
单选题
What does the underlined phrase the question in Paragraph 1 refer to?
A
Where do humans fit into this picture?
B
Will machines eventually replace human beings?
C
Which could revolutionize my own job, teaching at school?
D
Who will prosper and who will not in this machine economy?
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解析：
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