Final answer:
The direct object pronoun used to replace 'gato' depends on its gender and number.
Step-by-step explanation:
In Spanish, the direct object pronoun used to replace the noun 'gato' depends on its gender and number. If 'gato' is a singular masculine noun, the correct pronoun would be 'lo'. If 'gato' is a singular feminine noun, the correct pronoun would be 'la'. If 'gato' is a plural masculine or mixed gender noun, the correct pronoun would be 'los'. And if 'gato' is a plural feminine noun, the correct pronoun would be 'las'.
Learn more about Direct object pronouns in Spanish