Final answer:
The most appropriate form of the verb would be 'asistes'.
Step-by-step explanation:
The most appropriate form of the verb in this sentence would be 'asistes'.
- Asistimos (A) is the first person plural form which means 'we attend'.
- Asisto (B) is the first person singular form which means 'I attend'.
- Asistió (C) is the third person singular form which means 'he/she attended'.
- Asististe (D) is the second person singular form which means 'you attended'.
Therefore, the correct answer is OD. Asististe.
Learn more about Spanish verb conjugation