which of the following things would not fit in una mochila?\n\nuna silla\n\nun borrador\n\nun…

Brief Explanations:

We need to determine which item cannot fit in "una mochila" (a backpack). "una silla" means a chair, which is large and cannot fit in a backpack. "un borrador" (an eraser), "un cuaderno" (a notebook), and "una pluma" (a pen) are school supplies that can fit in a backpack.

Answer:

A. una silla