单项选择题

Question 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 question. Now listen to the news.
The workers are offering to give ______ of the money they earn in one year to buy the huge plane.

A.3.5%
B.5.3%
C.5.2%
D.2.5%