单选题 Researchers find that when a person tells lies ______

【正确答案】 C
【答案解析】本题考查的也是考生对细节的把握,答案对应于第三段第一句:Research has also been done into the way people’s behavior changes in a number of small,apparently unimportant ways when they lie同样有研究侧重于当人们说谎时他们行为的一些细小的,明显的不重要的改变,很容易看出答案C与该句符合。