单项选择题
以下程序段的运行结果是()
A.0,0 B.1,2 C.2,2 D.1,0
A.123412312 B.12341234123412341231231231212 C.1234+1234+1234 D.1234+123+12
A.k=11,k=13,k=c B.k=11,k=12,k=13 C.k=11,k=13,k=b D.k=11,k=13,k=a