He was exhausted after a long trip, but he helped...

Câu hỏi: He was exhausted after a long trip, but he helped me to repair my broken chair.

A Although he helped me to repair my broken chair, he was exhausted after a long trip.

B Exhausted after a long trip as he was, he helped me to repair my broken chair

C Because he helped me to repair my broken chair after a long trip, he was exhausted.

D Exhausted after a long trip though he helped me to repair my broken chair.