英语语法 分析一下句子成分？

Question

But I had no idea how to live without my caring parents.

Answer 1

but是连词
I是主语
had no idea是谓语（过去时态）
how to live without my caring parents是同位语从句。

Answer 2

But I 主语had谓语 no idea 宾语how to live without my caring parents.同位语