题目内容：
通读下面的短文，回答题。 Recently, some scientists decided to find out what the funniest joke in the world was． This wasclearly a (an) 21 task,as no two people ever really agree about what is funny and what is not--22 when they are from different 23 ．
Telling jokes is something people often 24 around the world． 25 , jokes are sometimes not funny to or are often not 26 by people who are not part of that culture(文化)．
Anyhow, 27 a year-long serious study, the scientists 28 the funniest joke in the world :Two hunters (猎人) are out in the woods． One of them 29 to the ground． He doesn' t seemto be 30 , his eyes closed． The other hunter takes out his phone and calls emergency (紧急)services． "My friend is dead！"he 31 to the man on the other side． "What can I do?"The man,in a(an) 32 voice,says," Dont' t worry． I can 33 ． First, make sure he' s 34 ． "There isa silence,then a shot is 35 ． Bang! The hunter' s voice comes back on the line． He says," OK,now what?"
________ A．wonderful
B．important
C．interesting
D．Difficult
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