A、Because personal contact through travel is significant. B、Because travel offers people chances to relax themselves. C、Because

M: But, airports do bring some local advantages. They bring roads: there’s obviously extra employment. For instance, new hotels, shops, restaurants will have to be built. This means more jobs for the locals and it is good for local economy.
W: But you ask the people, you ask those who are now living near the airport, for instance whether, whether they reckon that airports are bringing them advantages? A11 the, all the airports are bringing are noise and vast motorways and the whole area is, is desolated, isn’t it?
M: But the airport infer, infrastructure relies on housing and other facilities for the great number of people who would be employed in the airport, the pilots even, the stewardesses. They have to live somewhere near the airport, right?
W: Yeah. But it’s, it’s just so, so damaging to the whole area I think airports, from my point of view, the whole concept is out-dated really. Um, with modern technology, we are going to make a lot of travel unnecessary really. For example, it won’t be necessary for businessmen to fly out to a foreign country to talk to somebody. They can just lift up a telephone in the office, press a button and see the person they, they want to do business with. You see, business deals can be made without having to travel back and forth, right?
M: Yes, you are right. But for a lot of people, personal contact is important. And this means travel, and means quick travel, air travel. And, we just need a new airport.
6. Why does Freddy think airports bring advantages to the locals?
7. According to Mary, how do people living near the airport remark the airport?
8. What makes Mary think that people don’t need to do much travel nowadays?
9. Why does Freddy think travel is necessary?
10. What can we learn from the conversation about Freddy and Mary?