单项选择题
Questions 27 and 28 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.Now, listen to the news.
About （）of the 15,000 visitors on the opening day of Hong Kong Disney land came from the mainland.
A．4,000
B．5,000
C．6,000
D．7,000