try hard/cannot win/prize A. Trying hard although I cannot win the prize. B. We tried hard, but we couldn’t win the prize. C. We are trying hard, and we cannot win the prize. D. To try hard, Đoạn văn38/40try hard/cannot win/prizeTrying hard although I cannot win the prize.We tried hard, but we couldn’t win the prize.We are trying hard, and we cannot win the prize.To try hard, but we couldn't win the prize.Giải thíchChọn đáp án B