----I left my new textbook on the desk .----I left my new textbook on the desk near the window,but now it’s gone.----Who do you think it?A.to have taken B.has taken C.took D.having taken(为什么不用过去式?)

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----Ileftmynewtextbookonthedesk.----Ileftmynewtextbookonthedesknearthewindow,butnowit’sgone.----Whod

----I left my new textbook on the desk .----I left my new textbook on the desk near the window,but now it’s gone.----Who do you think it?A.to have taken B.has taken C.took D.having taken(为什么不用过去式?)
----I left my new textbook on the desk .
----I left my new textbook on the desk near the window,but now it’s gone.
----Who do you think it?
A.to have taken B.has taken C.took D.having taken
(为什么不用过去式?)

----I left my new textbook on the desk .----I left my new textbook on the desk near the window,but now it’s gone.----Who do you think it?A.to have taken B.has taken C.took D.having taken(为什么不用过去式?)
选B吧,用现在完成时,因为过去发生的事对现在产生了影响,谁拿走了书,导致现在找不到它.