I don't want the seat()by the young man a taken b taking c to take d take 选哪个请解释

I don't want the seat()by the young man a taken b taking c to take d take 选哪个请解释
I don't want the seat()by the young man a taken b taking c to take d take 选哪个请解释

I don't want the seat()by the young man a taken b taking c to take d take 选哪个请解释
选A,肯定
I don't want the seat which is taken by the young man.=
I don't want the seat taken by the young man.
定语从句两种形式