单选题：Scientists resist talking about their options because they d

题目分类：理工类
题目类型：单选题
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题目内容：

Scientists resist talking about their options because they don't want people to __________. A．know what they are doing
B．feel their efforts are useless
C．think the problem has been solved
D．see the real problem

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分类：理工类题型：单选题

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分类：理工类题型：单选题

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