【正确答案】
B
【答案解析】[听力原文]
In one of the deadliest days since the start of anti-government protests in Syria, activists say at least 100 people have been killed by security forces. {{U}}The surge in violence came on the eve of the deadline for troops to withdraw from Syrian towns and cities under an international peace plan{{/U}}. (暴力事件在从叙利亚城镇和城市撤军的最后期限前夕迅速升级。) The violence also spilled across Syria's borders with Turkey and Lebanon. Abdul Omar, a member of the opposition Syrian Network for Human Rights, says the Syrian authorities are trying to regain control ahead of the deadline. {{U}}Its mostly affected is the north of the country. We're talking about the province of Idlib as well as the northern area of rural Aleppo{{/U}}. (叙利亚北部地区受影响最为严重，我们指的是伊德利卜省和阿勒波北部地区。) We have seen helicopter gunships being deployed. Yesterday we saw for the first time fighter jets flying over Aleppo, the city—not to attack—but I believe this was more of an intimidation campaign.