下列代码的输出结果是( )。class parent{void printme(){System.out.println( parent );}}class child extends parent{void printme(){System. out.println( child );}void printall(){super, printme();this.printme();printme();}}public class test{public static void main(String args[]){child myc=new child();myc.printall();}}
A．parent child child
B．parent child parent C. parent child D. 编译错误