When I got back from school we installed the 2 optical cables in the tubes who are in the wall . We were lucky and did n't have to remove the Gyproc wall . So now he can finally close all the holes and start the wallpaper and painting . Now there 's one problem , before he can start the wallpaper he needs my electricity cable of the tv .

Generate a question about the above context.
Where were they before they installed the optical cables ?
Pick your answer from: A). They were on the way to school .; B). They were in school .; C). None of the above choices .; D). They were at home waiting for the cables .;