Final answer:
The correct answer is 'OA. asistí.' The preterite form of 'asistir' for the pronoun 'yo' is 'asistí.'
Step-by-step explanation:
The correct answer is OA. asistí.
In the sentence 'Yo ______ a la escuela,' we need to choose the preterite form of the verb 'asistir' to correctly complete the sentence. The preterite form of 'asistir' for the pronoun 'yo' is 'asistí.'
For example, you could say 'Yo asistí a la escuela ayer' which means 'I attended school yesterday.'
Learn more about Spanish Verb Conjugation