B.chars[20]="beijing";
C.chars[20];s="Beijing";
D.chars[20]="B","e","i","j","i","n","g";
..." />
问题:[选择题]
A.chars[]="Beijing";
B.chars[20]="beijing";
C.chars[20];s="Beijing";
D.chars[20]="B","e","i","j","i","n","g";
● 参考解析