A. Only dogs can play in this area. B. Dogs can’t enter the children’s play area. C. Dogs are safe for children in this play area. D. Don’t let your children play near dogs.
Giải thích
Đáp án đúng: B
Biển báo khu vui chơi trẻ em cấm chó vào → "Dogs can't enter the children's play area."
