答案及解析：[单选题]对于一下程序，其运行结果为 class Base{ public Base(){ System.out.print("C"); } } class Base2 extends Ba

问题：

[单选题]对于一下程序，其运行结果为
class Base{
public Base(){
System.out.print("C");
}
}
class Base2 extends Base{
public Base2(){
System.out.print("B");
}
}
public class TestDemo extends Base2{
int m=1;
public TestDemo(){
System.out.println("A");
}
public static void main(String args[]){
TestDemo t = new TestDemo();
}
}
ACBA
BBA
CA
DABC