问题：
[单选] He noticed that Joan was studying him closely, but her expression gave away nothing of what she was thinking.A . revealed
B . disposed
C . reminded
D . distributed
参考答案：A
参考解析：
句意为：他注意到琼正在密切地调查他，但她的表情也没有泄漏她正在思考什么。Give awav“泄漏，赠送”，四个选项：reveal“泄漏，透漏”；dispose“处理”；remind“重新记起”；distribute“分发，分配”；所以A项符合题意。
