"Debera" is the correct answer.
Hello!
"El árbol es ______", translates to "This tree is ______." Since we are given two choice, suyo and suya, one of the them is obviously feminine and ther other is masculine.
Since "el árbol" is masculine, we use the possessive word, "suyo", meaning "yours".
Therefore, el árbol es suyo.
Answer:
In English: Based on the text, Caleb's parents don't like pets.
En Español: A los padres de Caleb no les gustan los animales.