【单选题】

Questions 27 to 29 are based on the following news.At the end of the news item, you will be given 15 seconds to answer the questions. Now, listen to the news.

What did the company decide to do at the next stepA．It would tighten up its maintenance program.
B．It promised to suspend flights temporarily.
C．It promised to strengthen its security conditions.
D．It decided to resort to the law.