请选择AB-{*x;n7z:w)M(k+O5];Q6}-B5b我的生日是一月一日，用英语怎么说：*e/~2n(R8F-`*a9y
A. My birthday is on January first.*e/~2n(R8F-`*a9y
B. My birthday is in January first.*e/~2n(R8F-`*a9y