题目内容

（8-1）（1）在包中qzy.jsu定义了如下类Base；packageqzy.jsu;publicclassBase{publicvoidshow1(){}protectedvoidshow2(){}voidshow3(){}privatevoidshow4(){};}（2）在包中qzy.student定义了类Sub，则①处的正确代码是（）。packageqzy.student;importqzy.jsu.*;publicclassSub{publicvoidshow(){①}}

A. newBase().show1();
B. newBase().show2();
C. newBase().show3();
D. newBase().show4();

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