Although he made a lot of effort at work, he was not promoted. A. In spite of make a lot

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Although he made a lot of effort at work, he was not promoted.

In spite of make a lot of effort at work, he was not promoted.

In spite of making a lot of effort at work, he was not promoted.

In spite of being not promoted, he made a lot of effort at work.

Giải thích

Chọn đáp án B

Cấu trúc: Although + S + V = In spite of + N (Mặc dù …)

Dịch: Dù rất nỗ lực trong công việc nhưng anh không được thăng tiến.