打开a.txt文件后，将“See you next time.”写入文件，下列语句不正确的是？（ ）
f.write('See you next time.\n')
f.write(['See',' you',' next',' time','.\n'])
f.writelines(['See you next time.\n'])
f.writelines(['See',' you',' next',' time','.\n'])
