Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the 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 A1-Qaida" will not be speculated on by London Police