题目内容：
阅读以上短文，回答题
Which of the following statements is NOT true, according to the passage?
A Most supermarkets have a very large floor area.
B Most supermarkets are on one floor only.
C Most supermarkets have a floor area as large as that of an ordinary shop.
D Some supermarkets have a floor area at least ten times as big as that of an ordinary shop.
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