题目内容：

London’s Chinese community dates back to the 18th century, when a small number of Chinese sailors moved to the city to work in Limehouse, east London. As time went by, other Chinese people came to this area and Limehouse began to be known as "Chinatown". At the start of the 20th century, there were just 545 Chinese people in Britain. However, this situation changed greatly after the Second World War. At this time, many farmers in Hong Kong lost their jobs, and decided to move to London. In the 1950s, a small Chinese restaurant opened in central London. Many British people visited it and said that Chinese food was wonderful! Suddenly, Chinese restaurants started opening in every part of the city. Instead of too little work, the new Chinese immigrants (移民) now found that they had too much! Most of the new immigrants enjoyed their lives and the chances they were offered. Many asked their friends and relatives to join them from their hometowns, and a lot of families were reunited again at this time.

As time went by, London’s Chinese community became more and more successful. The sons and daughters of the first restaurant workers, encouraged by their parents, studied very hard at school and university. And most got highly-paid jobs. As a result, increasing numbers of Chinese families left Chinatown and moved to the more expensive places. Chinatown, however, is still as lively as ever, and a must-see for any visitor to London.

1.From the passage, we can learn that the first members of "Chinatown" were _____.

A. early Chinese sailors        B. restaurant workers

C. Hong Kong farmers            D. visitors to London

2. What does the author mean by the underlined sentence in Paragraph 1?

A. Limehouse was influenced by World War II.

B. The new immigrants found it hard to find jobs during the war.

C. Many Hong Kong farmers lost their jobs because of the war.

D. The number of Chinese people in Britain increased after the war.

3. Which of the following statements is NOT true?

A. Before the 20th century, "Chinatown" in London was still very small.

B. In the 1950s, Chinese food became quite popular in Britain.

C. Most of the new immigrants could find a job in the 1950s.

D. With the help of the British government, Chinatown was very successful。

4. The passage is mainly about _______.

A. "Chinatown" in World War II

B. the history of "Chinatown" in London

C. the successful Chinese in London

D. an old Chinese restaurant