A: I don't like this one but like that one. B: So it's the same with me./So it's with me.
你的这个句子中的so为连词。请看《韦氏高阶》so作为连词的第五个释义和例句
— used in speech to say that you have just become aware of someone or something
So, that's who did it!
So there you are. I've been looking for you.
“Goodbye, then.” “So you're not coming with me after all!”
I think so. 中的so为分句替代词。请看《韦氏高阶》so为代词时的释义和例句。
— used to refer to something that has just been stated or suggested
“Has she left?” “I believe so.” [=I believe she has left]
If you have not yet returned the form, please do so immediately. [=please return it immediately]
“Is it true?” “I think/hope so.”