Questions 25 and 26 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.

A．It can send a lot of synthetic fragrance into the environment.
B．It is an air conditioner blowing with warm air.
C．It often pumps the smell of freshly-cut grass from a high-street shop.
D．It is a box which sends out not only aroma but also music.

A．that
B．where
C．which
D．what