下列程序段输出的结果是_______。public class NewClass { public static void main(String args[]){ int x=0; boolean b1,b2,b3,b4; b1=b2=b3=b4=true; x=(b1|b2&b3^b4)?++x:x--; System.out.printl

A.-1

B.0

C.1

D.2