Although he tried his best, he didn’t pass the exa...

Câu hỏi: Although he tried his best, he didn’t pass the exam.

A. Despite trying his best, he didn’t pass the exam.

B. Despite of trying his best, he didn’t pass the exam.

C. In spite of he tried his best, he didn’t pass the exam.

D. Though he didn’t pass the exam, he tried his best.