根据短文内容选择正确答案。Strange things happen when you travel, because the earth is divided into twenty-four zones (区). The time difference between two zones is one hour. You can have
—Must I park my car behind the building? —No, you ________. You ________ park it there. A. mustn’t; may B. may not; must C. don’t have to; may D. shouldn’t; must