阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
(2013·四川省绵阳市第三次诊断)
Chelyabinsk，Russia—A meteorite (陨石) moved quickly across the sky and exploded over central Russia on Feb.15,2013，raining fireballs over a vast area and causing a shock wave that smashed windows，damaged buildings and injured 1,200 people.
