Respuesta :
Grandmother was compared to a blank wall.It reveals that the grandmother really wasn't listening to the grandfather
Answer:
In the following lines, the grandmother is being compared with a 'blank wall'. The metaphor is used to compare the grandmother with a blank wall.
Explanation:
A metaphor is a comparison between two things which are very different from each other but posses one similar quality among each other. In the above metaphor, the blankness of the wall and the absence of mind of the grandmother is compared.