问题详情

What does this practice explain？ Choose 2 answers.

A．Why tulips replaced gold as a form. of currency

B．Why buyers were no longer interested in owning actual tulips

C．Why borrowing in the Netherlands increased on a significant scale

D．Why the middle class in the Netherlands expanded in size

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！