Mark the letter A, B, C, or D to indicate the sentence that is best written from the words/ phrases given.Câu hỏi Unless /you/ a passport/can't/travel abroad/. A. Unless you have had a passport, you couldn't travel abroad. B. Unless you have a passport, you couldn't travel abroad. C. Unless you make a passport, you can't travel abroad. D. Unless you have a passport, you can't travel abroad.