问题详情

What can we learn from the passage？

A．Because of the devaluation of U. S. dollar,American visitors shorten their trip to Europe.

B．Europe does not forecast the huge drop of American visitors.

C．Not only Paris but the whole Europe witnesses the reduction of American tourists.

D．The value of U. S. dollar has become historical low.

请帮忙给出正确答案和分析，谢谢！