单选题 The ______ of the space shuttle that had exploded in the air were scattered over a large area.
【正确答案】 B
【答案解析】该句意为：空中爆炸的航天飞机碎片分散在很大一个区域。segment：部分，片，段；fragment：碎片；element：元素，因素，成分；ornament：装饰物。