在《左传•子产说范宣子轻币》“侨闻君子长国家者，非无贿之患，而无令名之难”句中，“之”的词性是（），其语法功能是复指（）无贿无令名。
参考答案：代词；前置宾语
She was moving out of her old apartment _____ she suddenly realized that the key to the new apartment
wasn't on her. [ ]
A. until
B. once
C. when
D. as if
膳食纤维主要存在于( ) 。
A．鸡蛋
B．瘦猪肉
C．牛奶
D．蔬菜
