第3题: [单项选择]The school ______ because of the influenza (流行性感冒), the children had a week's holiday. A. has closed B. being closed C. had closed D. having been closed 参考答案:D 答案解析:本题考查分词独立结构。该句意为“学校因为流行性感冒而被关闭了,孩子们有了一周的假期时间”。现在分词与其逻辑主语The school是动宾关系。同时表示分词动作发生在主句谓语动词动作之前,用现在分词完成