A
In Shanxi province you may be offered brains to eat. Frightened? You shouldn't. Because the brains is only a kind of food, which is famous for its unusual name and rich nutrition（营养）.
Brains as food was invented more than 300 years ago by Fu Shan, an artist whose mother had been iii for a long time. To help her become well again, he studied medicine and invented a kind of soup made of meat, vegetables and a number of Chinese medicines.
Rice Wine（酒）was also used in the soup to help treat illnesses caused by old age. After taking the soup his mother got better little by little and lived a long life.
Fu's soup became the talk of the town, many people came to see him. One day a restaurant owner asked him what was in the soup. “I'll tell you,”Fu said.“but if your restaurant is going to sell the soup, you must call it brains because of its shape and colour. And your restaurant should be renamed after my mother.”
21.The best headline（标题）for this newspaper article is________.
A．A good son
B．A special soup
C．How to make brains
D．How to live a long life
22.The food is called“brains”because________.
A．it looks like brains
B．it has animal brains in it
C．Fu's mother liked the name
D．it makes one clever and live longer
23. What has made brains a popular food in Shanxi?
A．It is served in many restaurants there.
B．It is good for health and has a strange name.
C．It is made of Chinese medicines and wine.
D．It must be used to help the sick
