5. Nosotros
6. Tu
7. Yo
8. Nosotros
9. Yo
10. Tu
11. Usted
12. El?
13. Nosotros
14. Tu
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
La tortilla el salami con queso