请选择BA3x.N*H7s3}3S-Q9b:{)z-B打电话时说：“我是小明”。该如何说：;k4y:x0\6c6J5n5B._;t0h/H-w,F
A. I am Xiaoming.;k4y:x0\6c6J5n5B._;t0h/H-w,F
B. This is Xiaoming .;k4y:x0\6c6J5n5B._;t0h/H-w,F