问题
选择题
______ herself in looking after the newly-born twins, she had to sacrifice her career to stay with her kids.
A．Occupied
B．Being occupied
C．Having been occupied
D．Occupying
答案
答案：D
题目分析：Occupy与其逻辑主语“she”是主动关系，故用现在分词的主动式作原因状语。
点评：非谓语动词是英语中的重点语法项目之一，它涉及词法、句法、时态、语态和各种习惯用法，易混点比较多，在句中的位置灵活，且句法功能较多。所以学习非谓语动词时应理清非谓语动词在句中所作的成分及它们之间的区别。