Question 24 is based on the passage you have just heard.

    Claudette Rigo is a reporter for a French newspaper.Her assignment for the last five years has been Washington and American politics. She reports the current political news for her paper. In addition, she writes the column that is published every week. (22) The column explains American politics to her readers in France. They often find it very difficult to understand the United States and Americans. Claudette lives in a small house in a fashionable section of Washington. She entertains a great deal. Her guests are usually government officials, diplomats, lawyers and other newspaper people. When she isn't entertaining, she goes out to dinners and parties. In spite of her busy social life, Claudette works very hard. The parties are really work for her, because reporters frequently get news stories just by talking and listening to people. Claudette also has a small office in a building downtown. She goes there every morning to write up her stories and send them to Paris. (23) Her column is published every Monday, so she usually spends a large part of the weekend working on it at home. (24) Claudette spends a month in France every year, so that she won't forget how to speak French. In spite of all her experience in Washington, Claudette may be transferred. (25) This is an election year in the United States when the people elect a new President. When the election is over, Claudette thinks that her newspaper in Paris may change her assignment.

(24). Why does Claudette spend a month in France every year?

解析：根据文章中“Claudette spends a month in France every year, so that she won't forget how to speak French.”可知，为了不忘记法语，她每年都会在法国待一个月。因此B项符合题意。