第20题: [单项选择]What's people's response to a neutral stimulus A. Normally they are not scared by it. B. Usually they are seriously scared by it. C. They feel ridiculous when seeing it. D. They often feel uncomfortable at it. 参考答案:A 答案解析:细节题。
[解析] 根据题干中关键词neutral stimulus定位到原文第二段首句participants watched a short video of a person conditio