单选题 One can understand others much better by noting the immediate and fleeting reactions of their eyes and ______ to expressed thoughts.
A. dilemmas B. countenances C. concessions D. junctions

【正确答案】 B

【答案解析】[解析] countenance的意思是“面容，脸色”，如：a sad countenance(愁容)。dilemma意思是“进退两难的局面，困难的选择”；concession意思是“让步”；junction意思是“连接、汇合处”。只有B项符合题意。