Question 26 and 27 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. Which of the following statements is NOT true

A．Floating ice makes it difficult for polar bears to hunt seals.
B．Arctic sea ice melts at a rate of 8%.
C．Sea ice decreases to the lowest height in September.
D．The sea ice this year is 500,000 square miles less than in the 1970s.