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【单选题】

Scientists wilt have to ______ new methods of increasing the world's food supply in order to feed more hungry people.
A．catch up with

B．come up with
C．keep up with
D．put up with
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根据网考网移动考试中心的统计，该试题：

1%的考友选择了A选项

71%的考友选择了B选项

13%的考友选择了C选项

15%的考友选择了D选项

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