单项选择题

Before Jose Martinez set up his pizza delivery service, he


[A] tested samples on potential clients.
B. handed out product questionnaires.
C. assessed demand in different areas.
D. trained staff for a few months.
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According to the passage, ______ is the root cause of women staying at home.
[A] the media
B. their own choice
C. the public policy
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The best title of the passage is______.
A. It’s not about rationing

B. Why the FDA may reverse course on Avastin
C. A value to a day of a person’s life
D. Avastin, a controversial medicine
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