单项选择题

用程序计算一个整数的各位数字之和,在下划线处应填写的语句是( )。 SET TALK OFF INPUT "X=" TO X S=0 DO WHILE X!=0 S=S+MOD(X,10) ENDDO S SET TALK ON

A.X=int(X/10)
B.X=int(X%10)
C.X=X-int(X/10)
D.x=x-int(X%10)