Questions 29 and 30 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.
German court has sentenced a suspected former terrorist to nine years in prison tor her part in the failed 1988 bombing a ______ disco.

A．Half of the American workers have promised to buy a new plane for the Delta Airlines.
B．The workers of Delta Airlines have promised to pay half the money for a new plane.
C．Half of the workers of Delta Airlines have promised to help buy a new plane for their company.
D．Half of the workers of Delta Airlines have bought a new plane for the company.

A．Powerful earthquakes usually occur after minor ones.
B．Modern facilities add to the danger of an earthquake.
C．Passing trucks are as dangerous as minor earthquakes.
D．There is a powerful earthquake occurring every two years.