现有:classPencil{publicvoidwrite(Stringcontent){System.out.println("Write" +cont

现有：classPencil{publicvoidwrite（Stringcontent）{System.out.println（"Write"，+content）{}}classRubberPencilextendsPencil{publicvoidwrite（Stringcontent）{System.out.println（"RubberWrite"+content）；}publicvoiderase（Stringcontent）}}执行下列代码的结果是哪项？（）Pencilpen=newPencil（）；（（RubberPencil）pen）.write（"Hello"）；

A、WriteHello

B、RubberWriteHello

C、编译失败

D、运行时抛出异常

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