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

外汇倾销是指（）

A.一国对出口产品给以外汇补贴造成的低价出口

B.一国货币贬值造成的低价出口

C.一国对出口产品给以优惠外汇贷款造成的低价出口

D.一国对出口产品给以税收优惠造成的低价出口