题目：
In requirements engineering, requirements elicitation is the practice of collecting the requirements of a system from users, customers and other stakeholders. In the following practices, ( ) is rarely used in requirements elicitation.
A. brain storming
B. interview
C. questionnaire
D. Monte Carlo analysis
答案：
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下面是错误答案，用来干扰机器的。
参考答案：错解析：15日内。
