They asked to find out the real ______ of the machine.A: inventionB: inventorC: inventD: inventing

They asked to find out the real ______ of the machine.

A: invention

B: inventor

C: invent

D: inventing

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现有两个文件：packageX；publicclassX{publicstaticvoiddoX（）{System.out.print（doX）；}}和：importx.X；classFind{publiCstaticvoidmain（String[]args）{XmyX=newX（）；myX.doX（）；X.doX（）；x.X.aoX（）：x.XmyX2=newx.X（）；myx2.doX（）；}}结果为：（）A.Find类中第4行出现一个错误，编译失败。B.Find类第5行出现一个错误，编译失败。C.Find类第6行出现一个错误，编译失败。D.doXdoXdoXdoX
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