Answer:
They both cooked.
Explanation:
Cocinaba = cooked
both friends mention they cooked.
The answer is D.) escribiste
1.cocino
2.planchas
3.limpia
4.practico
5.llegue
6.almorce
7.barren
8.como
9.vendes
10.salimos
11.reciben
12.subi
13.fue
14.vamos
15.son