Questions 6 to 8 are based on the following news. At the end of the news item, yon will be given to seconds to answer each question. Now listen to the news.

A．50 people died in the terrorist bombing
B．there were four explosive devices involved in the terrorist bombing
C．the attacks were not carried out by suicide bombers
D．"The Secret Organization of Al-Qaida" will not be speculated on by London Police