According to the Velen model, the "middling sort" of customers bought luxury goods to______.

A．contrast their views on the luxury consumerism in eighteenth-century England
B．indicate the inadequacy of the traditional approaches to eighteenth-century English history
C．support the contention that key questions about eighteenth-century consumerism remain unanswered
D．give examples of historians who have explored the eighteenth-century consumerism in England

A．doubt that laboring people were also involved in the consumer revolution
B．exaggerate the extent of the demand for luxury goods
C．agree with Thompson on the scale of the market
D．prefer home-brewed beer to standardized beer produced by urban breweries