Although he was very tired, he agreed to help me...

Câu hỏi:  Although he was very tired, he agreed to help me with my homework.

A Despite being very tired, but he agreed to help me with my homework

B Tired though he was, but he agreed to help me with my homework.

C As tired as was he, he agreed to help me with my homework.

D Tired as he was, he agreed to help me with my homework.