下面程序执行后，屏幕上显示的应是( )。 public class Test{ public static void main(String[ ] args) { char ch1[]={'B','e','i','j','i','n','g'}; char ch2[]={'B','e','i','j','i','n','g','2','0','0','8'}; String s1 = new String(ch1); String s2 = new String(ch2, 0, 7); System.out.println(sl.equals(s2)); } }

A．true

B．false

C．Beijing

D．编译错误