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Researchers recently asked dozens of shoppers, chosen at random coming out of a FoodBasket supermarket, what they had purchased. The prices of the very same items at the nearest ShopperKing supermarket were totaled and compared with the FoodBasket total. The ShopperKing totals averaged five percent higher than the FoodBasket totals. Nevertheless, this result does not necessarily show that shoppers at ShopperKing would save money overall by shopping at FoodBasket instead, since __________.
Ashoppers who shop regularly at a given supermarket generally choose that store for the low prices offered on the items that they purchase most often
Bfor shoppers with more than 20 items, the ShopperKing totals averaged more than five percent higher than the FoodBasket totals Cmany shoppers consider factors other than price in choosing the supermarket at which they shop most regularly
Dthere is little variation from month to month in the overall quantity of purchases made at supermarkets by a given shopper
Enone of the people who conducted the research were employees of the FoodBasket supermarket
答案选A，但是我并不是很能理清楚里面的逻辑。A在说，古加尔更喜欢买他们经常买的东西，这个东西在他们经常去的超市比较便宜。换句话说：我喜欢在S买鸡腿肉，鸡腿肉的价格在S超市的比F超市的便宜。
原题目说same items在S的价格和F的价格进行比对后，S更贵。这个和原题目说same items的S的价格比F价格更贵，不矛盾嘛？
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发表于 2020-8-10 19:19:17
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