You can stay in the flat for free as long as y...

Câu hỏi: You can stay in the flat for free as long as you pay the bills.

A Whether you pay the bills or stay in the flat, it is free.

B Without the bills paid, you can stay in the free flat.

C Unless the flat is free of bills, you cannot stay in it.

D Provided you pay the bills, you can stay in the flat for free.