In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. Why did the woman decide to ride the city bus
A．Her car is being repaired. B．She wants to help reduce pollution. C．Parking is difficult in the city. D．The cost of fuel has increase