问题详情

What does the first sentence in the passage indicate？
A．The Americans owed a lot of money to the Mexicans.
B．The Americans loaned a large sum of money to the Mexicans.
C．The Americans shared their technology with the Mexicans.
D．The Mexicans had in may ways helped the Americans.请帮忙给出正确答案和分析，谢谢！