According to the passage, Benjamin Thompson was the designer for a project in ______.

A．Because they have gained much publicity through the American media
B．Because they represent the world's latest fashions
C．Because they embody the most sophisticated technology
D．Because they are available at all tourist destinations

A．the weakening of the US dollar can result in trade deficits
B．the lower the retail prices, the greater in profits
C．tourism can make great contributions to its economy
D．visitors to the US are wealthier than US tourists abroad