He has learnt Syntax for 3 months. A. He didn’t learn Syntax 3 months ago. B. He started to learn Syntax 3 months ago. C. He learnt learn Syntax 3 months ago. D. The last time he learnt Đoạn văn27/50He has learnt Syntax for 3 months.He didn’t learn Syntax 3 months ago.He started to learn Syntax 3 months ago.He learnt learn Syntax 3 months ago.The last time he learnt Syntax was 3 months ago.Giải thíchChọn B