单选题 The two astronauts have splashed down in the Pacific Ocean, only five miles from the aircraft carrier that was______ for the recovery mission.

【正确答案】 B
【答案解析】句意：这两个宇航员溅落在太平洋上，离派来救援的航空母舰只差五英里。 dispatch派遣，调遣。detach分开，分离。devote专心，献身。dismantle拆卸。