【题目】---How do you know he is from Hunan Province?
--- Oh, his accent ______ himself when he spoke.
A. displayed B. betrayed C. appeared D. showed
在线课程【答案】B
【解析】
试题分析：句意：—你怎么知道他来自湖南省？--哦，他说话的口音出卖了他。A. displayed展示；B. betrayed背叛；C. appeared出现；D. showed表明。结合句意可知选B。