Qual a tradução correta de "Por favor, coloquem as mesas na posição vertical" para inglês?

1. A"Please return your tray tables to their upright and locked position."
2. B"Please put your tray tables up and keep them closed during landing."
3. C"Please lift your food tables to the vertical and secured position now."
4. D"Please fold your seat tables back to the upright position immediately."