The ruins of the ancient city the explorers discovered in the late 1700s convinced them that the city was once lived by people of a highly advanced culture.

A．Americans are more likely to buy foreign made products than before
B．more foreigners are hired in its top management than before
C．foreign made products are superior to homemade ones in terms of quality
D．for most Americans foreign products are much more attractive than homemade ones

A．it is a trend that businesses today go global
B．businesses are very reluctant to go global
C．the market of the United States should not be that open
D．American businesses can make more money if they only sell homemade products