【单选题】

{{I}}Questions 8 and 10 are based on the following news.At the end of the news item, you will be given 10 seconds to answer each question.Now listen to them.{{/I}} During the 2001 G8 summit in Genoa, Italy, _____.

A、protestors used water cannons against riot police
B．riot police threw homemade firebombs at demonstrators
C．some active protestors were killed by the police
D．tears gas was resorted to by police against demonstrators