It doesn't matter whether you turn right or left at the crossing-both roads leads to the park.这里的whether...or引导的是主语从句还是让步状语从句?

It doesn't matter whether you turn right or left at the crossing-both roads leads to the park.这里的whether...or引导的是主语从句还是让步状语从句?
It doesn't matter whether you turn right or left at the crossing-both roads leads to the park.
这里的whether...or引导的是主语从句还是让步状语从句?

It doesn't matter whether you turn right or left at the crossing-both roads leads to the park.这里的whether...or引导的是主语从句还是让步状语从句?
主语从句.因为主句中的it是形式主语.whether...or引导的从句是真正的主语.

让步状语从句

在通向公园的人行道上，不管你向左还是向右都没关系
是让步状语从句

it引导的主语从句
在这个句子中 it 是形式主语 为避免头重脚轻 所以把过长的主语做从句放在后面
还原以后应该是
Whether you turn right or left at the crossing doesn't matter——both roads lead to the park