--- Any news about the fire?
--- Nearly 20 people from the burning building by now.
A. rescued
B. have been rescued
C. have rescued
D. were rescued
网友回答
A. rescued
(答案→)B. have been rescued
C. have rescued
D. were rescued
解析：考查时态：句意：--有火灾的消息吗？--早现在为止，近20人已经从燃烧的大楼中被救出了。和by now连用用现在完成时。还有people和rescue是被动关系，用现在完成时的被动。选B。