¿hubo suficiente comida para la cena anoche?   sí. habían bastante comida. sí. hubieron bastante comida. sí. fueron bastante comida. sí. hubo bastante comida.

Hubo is the conjugation of the verb haber that matches the third person singular in the preterite tense. This tense is one of two simple past tenses. It is used to describe actions that took place or were completed at a certain point in the past. So, this sentence starts with the word sí affirming that in fact there was a party in a certain moment in the pasti. Finally:

- ¿Hubo suficiente comida para la cena anoche?  

- Sí. Hubo bastante comida.

Sí. Hubo bastante comida.

Explanation:

Sí. Hubo bastante comida.

c. encontramos

explanation:

if i am wrong i am sorry : )