【单选题】听力原文: Police in London now say that more than 50 people died in yesterday's terrorist bombings and warn that the death toll could rise. Police also said that there were no more than four explosive dev...
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