【单选题】

Questions 21 to 22 are based on the following news.At the end of the news, you will be given 10 seconds to answer the questions.

Now listen to the news.
Which of the following is NOT included in the plan to solve the subprime load troublesA．Moving their mortgage into a loan secured by the government.
B．Refinancing an existing loan into a new private mortgage.
C．Freezing the homeowners’ current interest rate for five years.
D．Persuading them to sell their houses.