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

Which car received the failing grade in the research

A．Working overtime.
B．Getting off the bus stop earlier before arriving at the destination.
C．Climbing all the flights by foot rather than by elevator.
D．Moving up and down in the office.

A．2008.
B．2010.
C．2012.
D．2020.