分类：教育/科学-升学入学-高考
问题：AskForHelpManypeople,_______they 
Manyople,_______theyareoldoryoung,richorpoor,havebeentryingtheirbesttohelpthoseinneedindisasters.A.evenifB.whetherC.nomatterD.h :clearexplanation.
回答：Many people, _______ they are old or young, rich or poor, have been trying their best to help those in need in disasters. 
A. even if B. whether C. no matter D. however 
选C.句意是有很多人，无论是年长的或年轻的、富有的或清贫的、都一直在尽自己的所能去帮那些受灾地区亟需援助的人。
A是即使、尽管  B是 无论怎样、C后接疑问代词如What,how; D可是、然而，放在句中必须用“ ，”隔开。