单选题 Satellite communications are so up-to-date that even when______in the middle of the Pacific, businessmen can contact their offices as if they were next door.(2011年四川大学考博试题)
【正确答案】 B
【答案解析】解析：在给出的选项中：gliding“滑动，滑翔”；cruising“巡航，航行”；piloting“引航，领航”；patrolling“巡逻，巡查”。根据句意和各个选项的意思可知，正确答案是B。