单选题 He noticed that Joan' was studying him closely, but her expression (gave away) nothing of what she was thinking.
【正确答案】 A
【答案解析】reveal透漏泄漏(秘密等),揭示;dispose处置;remind提醒;distribute分配,分布。因为giveaway表示“暴露、泄漏(秘密等),背叛”,故选A项。