阅读理解，阅读下列材料，从A、B、C、D四个选项中选出最佳的答案。

　　Sometimes the easiest way to get somewhere is on the back of a bike．

　　More and more people are using cars in many places in Africa today．However, things are different in Malawi(马拉维)．Bikes are the most popular in this African country．

　　Bike riding is a way of life in Malawi．People use them to carry heavy things．They also use bikes to carry people, especially tourists．These years, taking a “ bicycle taxi” to travel around Malawi has become quite popular among tourists from all over the world．

　　If you go to Malawi, you will find a lot of bike taxis waiting on the sides of the roads．The riders make the bikes comfortable for passengers to sit on．You can jump on a bike taxi and get around at a very low cost．

　　Alice is a 21-year-old student from Canada．She enjoys the special bike riding a lot．“I really like the bike taxi, ” she says．“It's easy and cheap．” Alice usually pays just ＄1 for going shopping in town．

　　28-year-old Panjira Khombe began to ride a bike taxi two years ago．The young man enjoys this job．“I used to make boats for a living, but that's a hard job．Being a bike taxi rider is easy for me and I don't mind carrying heavy people, ” he says．

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