单选题 She was ______ by the lack of appreciation shown of her hard work.
A. frustrated B. dispersed C. functioned D. displaced

【正确答案】 A

【答案解析】[解析] 本句的句意是“她因辛苦的工作没有得到欣赏而沮丧”。frustrated“失败，落空”符合句意，如：He was frustrated by his poverty．他因贫穷而灰心丧气。dispersed“被分散的，散布的”；functioned“活动，运行”；displaced“取代，代替”都不正确。