执行如下代码： fname = input("请输入要写入的文件: ") fo = open(fname, "w+") ls = ["清明时节雨纷纷，","路上行人欲断魂，","借问酒家何处有？","牧童遥指杏花村。"] fo.writelines(ls) fo.seek(0) for line in fo: print() fo.close() 以下选项中描述错误的是( )