Question 30 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question.
Now listen to the news.

A．Japanese auto-makers promised to stop dumping cars in the US
B．the Government promised to solve the US-Japan trade imbalance
C．three US companies have ended the US Japan trade imbalance
D．Japan agreed to sell cars at the agreed prices inside the US