In this section, you will hear one passage. At the end of the passage, you will hear four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、Because of its walled medina.
B、Because it is a UNESCO world heritage site.
C、Because of its rose-colored buildings.
D、Because of its crowded market.