I live in a flat in London. I paid a high rent for...

Câu hỏi: I live in a flat in London. I paid a high rent for it.

A. I live in a flat in London for where I paid a high rent.

B. I live in a flat in London for that I paid a high rent.

C. I live in a flat in London for which I paid a high rent.

D. I live in a flat in London which I paid a high rent.