Question 6 and7 is based on the following news. At the end of the news item, you will be given 20 seconds to answer the question.
Now listen to the news. According to Magdalena Alvarez, at least______survivors died hours after the accident.

A．Speaking as fluently as a native speaker.
B．Gaining proficiency in a foreign language.
C．Learning a language well within a month.
D．Learning words without active use of them.