that做并列连词的用法

例：she said she came from china and that she was eighteen。said后面接有两个宾语从句,第二个从句前面的that不可省。你说的是这个特殊用法吗?一般来讲动词或短语后面接的宾语从句前面可以加that也可省略,没什么特别要求。如：they found out(that)。she thinks(that)。。。但做同位语时that不可省略。如：i don't know the fact that 。they've got the news that 。。。这里that后面的句子表示news和fact的内容。