Questions 11 ～13 are based on the following talk about the euro. You now have 15 seconds to read Questions 11 ～13.
Why are the eight coins of euro different in composition, weight, thickness, and milling

A．Because each nation wants to keep its characteristics.
B．Because they are designed by different artists from eight countries.
C．Because it will enable the blind to distinguish between them easily.
D．Because Denmark and other countries want to have their own coins.