听力原文：One dog has been killed and multiple dogs have been injured by a snowmobile driver in what appears to be an intentional attack on competitors in the Iditarod Race in Alaska. Aliy Zirkle was the first to report an attack. A snowmobile driver had "repeatedly attempted to harm her and her team," and one of Zirkle's dogs had received a non-life-threatening injury. Zirkle reported the attack when she arrived in Nulato, Alaska in the early hour of the morning.Then Jeff King, a four-time champion reported a similar attack. His team was hit by a snowmobile driver, injuring several dogs and killing a 3-year-old male dog.
    Reporter Zachariah Hughe says that neither King nor Zirkle was injured. Although this incident very much alters the race of the two participants competing for a win, both are going to continue on their way toward the finished land.
    Alaska State Troopers released a statement saying they've arrested Arnold Demoski, 26. He faces trial on several charges.
3. What is the news report mainly about?
4. What do we learn about Jeff King?

解析：题目问的是新闻主要讲述了什么。录音开头提到，在阿拉斯加州爱迪塔罗德的雪橇犬大赛中，一只狗被杀害，数只狗受伤，而这看起来是雪地摩托车司机有预谋的攻击，故选C“对爱迪塔罗德雪橇犬大赛中的参赛者的数起袭击”。

题目问的是我们可以了解到Jeff King的什么信息。录音提到。一位曾赢得4次冠军的参赛者Jeff King也遭遇了同样的袭击，D“他曾4次赢得阿拉斯加州雪橇犬大赛的冠军”与录音信息一致，故选B。