一道从句的英语题Generally speaking,the quality of life,especially as seen by the individual,is meaningful in terms of the degree to which these various areas of life are available or provide satisfaction to the individual.请问上面的句中“which”是否引导了一个从句?是什么样的从句?为什么前面有“to”呢?

问题描述:

一道从句的英语题
Generally speaking,the quality of life,especially as seen by the individual,is meaningful in terms of the degree to which these various areas of life are available or provide satisfaction to the individual.
请问上面的句中“which”是否引导了一个从句?是什么样的从句?为什么前面有“to”呢?

to是is meaningful to 中的.