．Why do Americans like to go to fast food restaurants?
A．It is because fast food restaurants are fast，informal，and inexpensive．
B．It is because people can easily find fast food restaurants．
C．It is because people like to eat hamburgers．
D．It is because fast food restaurants sell nearly every kind of food．
正确答案：A
根据文章第三自然段中的内容“customerscanwearanytypeofdresswhentheygotoafastfoodplace”可以推断到快餐店就餐可不拘礼节；“Secondtheyarefast”表示(第二点)快餐店食品供应速度快；“Finallymostfoodinafastfoodrestaurantisnotexpensive”说明快餐店的又一特点是大多数食物都不贵由此可选择出正确答案
