阅读下列四篇短文，根据短文内容选择最佳答案。

　　Roger, a young man from China, has taught Chinese in a primary school in England for 3 years．A lot of children like his class and he enjoys teaching them very much．All the pupils are quite interested in what Roger teaches them．They learn quickly and do everything carefully．

　　One day he said to the children, “People in a lot of Asian countries wear white clothes at funerals(葬礼), but people in America and in Europe wear white in the weddings because white means purity and happiness．What colour does an English woman wear when she gets married?”

　　Mary said, “White, sir, because she is happy．” “That is good, Mary,” Roger said．“You are quite right．She wears white because she is happy．”

　　But then one boy in the class put up his hand．“Yes, Dick?” Roger said, “Do you have a question?” “Yes,” Dick said．“Why do men wear black in our country when they get married, sir?”

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