If you are referring to the United States, it would be A. If you are referring to Mexico, it would be B.
Carlos se arregla para salir a comer, because "se" refers back to Carlos (reflexive).
Hope this helps.
1. Carne,
Verduras,
Ensaladas
2. La torta Fruta,
El helado
3. Perros calientes con mostaza,
Tomamos un refresco
4.los panqueques
