完形填空，请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。

　　I used to think that a good vacation meant staying in fancy hotels, eating at the nicest restaurants, and coming back with a darker skin and a suitcase filled with 　　1　　．I also thought in order for it to be great, it had to be 　　2　　．A few years and ten countries later, I now realize that 　　3　　 could be further from the truth．

　　Something tells me that Wu Jiangping-a Chinese girl who recently travelled across Europe on just 15, 000 yuan-would 　　4　　 my change of heart．Many would think it is 　　5　　 to design a 20-day trip through 9 European countries on such a meager budget, but that's exactly what Miss Wu did! The success of her adventure boils down to three things-planning, 　　6　　 and attitude．

　　Wu Jiangping made a careful and detailed 　　7　　 well in advance, which included booking her flights with a low-cost budget 　　8　　．It's important to research various transportation options when travelling on a tight budget．What is easiest and fastest usually isn't 　　9　　．

　　When it 　　10　　 to priorities, a budget traveller must value the experience of travelling over the expensive luxuries that one might desire on vacation．This might mean trading a cozy bed in a hotel for a 　　11　　 bunk in a hostel．　　12　　 , this often means that you get to share a room with like-minded fellow travellers, and, in my experience, you are likely to make lifelong friends in the process．

　　Of course, travelling often involves challenges and unexpected problems．　　13　　 , Miss Wu found herself trapped in Florence, Italy when the cold current 　　14　　 Europe in February．Even when there are no real problems, 　　15　　 arriving in an unfamiliar country where you don't speak the language and you can't even ask for directions 　　16　　 be a discomforting experience．However, 　　17　　 you have a spirit of adventure, getting lost may 　　18　　 fascinating discoveries! When travelling, simply wandering the streets, trying the local food, and taking in the sights, sounds and smells around you can make for an extraordinary and unforgettable day．When you return home, your 　　19　　-good, bad and bittersweet -are 　　20　　 you treasure the most．There is no greater souvenir than the lingering memory of your adventure．

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