单选题 Section B Conversation Directions: In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversations 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. Questions 8 to 11 are based on the conversation you have just heard. Conversation (20181201C1) [音频] Question 8 is based on the conversation you have just heard