Reorder the words. (Sắp xếp các từ sau thành câu hoàn chỉnh) birthday/ is/ the/ May/ my/ of/ thirty-first/ on/. A.May is birthday on the thirty-first of my. B.My birthday is on thirty-first of the May. C.My birthday is on the thirty-first of May. D.My birthday is the thirty-first on of May.