The old man is working in this factory. I borr...

Câu hỏi: The old man is working in this factory. I borrowed his bicycle yesterday.  

A The old man is working in this factory which I borrowed his bycicle yesterday.

B The old man whom I borrowed his bicycle yesterday is working in this factory.

C The old man whose bicycle I borrowed yesterday is working in this factory.

D The old man whom is working in this factory I borrowed his bicycle yesterday.