Hi !!
Lupe : ¿Qué debo hacer con las cajas llenas antes de mudarme ?
(what should I do with the boxes full before moving ?)
Gloria : Márquelas !
A- ¡ Márquelas! = mark them (usually you mark your boxes to know what's in
it...)
B- ¡ Abrelas! = open them !==> FALSE
C- ¡ Cárquelas ! = load them!
D- ¡ Descárguelas ! = unload them ! === FALSE
so I think CORRECT ANSWER = A
but it cold be as well C
In my opinion, you mark your boxes before loading them ....
hope I helped :)