(单选题, )
下面代码的执行结果是（ ）
A = 123456789
B = "*"
Print("{0:{2}>{1},}\n{0:{2}^{1},}\n{0:{2}<{1},}".format(a,20,b))
A.*********123,456,789 ****123,456,789***** 123,456,789*********
B.****123,456,789***** *********123,456,789 123,456,789*********
C.****123,456,789***** 123,456,789********* *********123,456,789
D.*********123,456,789 123,456,789********* ****123,456,789*****
正确答案是A