Chọn câu đúng

I am talking to my brother. His motorbike has just been repaired
A. My brother, whose motorbike has just been repaired, I am talking to
B. I am talking to my brother, who his motorbike has just been repaired
C. My brother, whom i am talking to his motorbike, has just been repaired
D. I am talking to my brother, whose motorbike has just been repaired