I didn’t tried hard, so I didn’t succeed. A. If I tried hard, I would succeed. B. If I had tried hard, I would succeed.Đoạn văn39/40I didn’t tried hard, so I didn’t succeed. If I tried hard, I would succeed.If I had tried hard, I would succeed. If I tried hard, I would have succeeded.If I had tried hard, I would have succeeded.Giải thíchChọn đáp án D