单选题 Directions: This part is to test your listening ability. It consists of 3 sections.Section ADirections: This section is to test your ability to give proper response. There are 5 recorded questions in it. After each question, there is a pause. The questions will be read twice. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.Which one is the correct answer