Le da al comprador una manera de transportar cuando él / ella necesita
The answer would be A.
Una computadora= The computer
The other answers would not have anything to do with una computadora since the other options are other subjects such as history, spanish, and science.
Hope this helps! :3
El bano is the answer because it Alfredo is saying that he want a blue sink and a white tub and that goes in the bathroom. So your answer is el bano. Hope this helps