Question

这个句子结构怎么分析？

Since there is no way for me to avoid exams，I am currently questioning what kind are the most taxing and ultimately beneficial.

Answer 1

Since……状语从句，I 主语，am questioning谓语，currently状语，what kind……宾语从句。

Answer 2

since 引导状语从句，嵌套there be 存在句 + for sb to do sth 结构搭配
I am currently questioning ...主句 嵌套what 引导的宾语从句
what kind are the most taxing and ultimately beneficial 这部分有问题，不明所以