Person A: Thank you for taking care of my dog when I’m away. ______________. Person B: You’re welcome.Đoạn văn18/45Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges. Person A: Thank you for taking care of my dog when I’m away. ______________. Person B: You’re welcome. Your help is always welcomeHelp yourselfI really appreciate your helpYou can’t help itGiải thíchChọn C