正确答案：A解析：这是一个典型的大意理解题，其依据句就是文章的主题句，一般位于文章的开头。本文的主题句就是第一个句子“Beijing's top hotels are fielding scores of calls from foreigners and Chinese people eager to book rooms during the 2008 Olympic Games in the Chinese capital.”与A选项内容相符和。其他的选项内容并不是本文的主题，而只是细节信息或无关信息。
