Final answer:
The correct verb form is 'vi'.
Step-by-step explanation:
The correct verb form to complete the sentence is A. vi.
When the sentence is translated into English, it reads: When I went to that wildlife sanctuary, I didn't see pumas or jaguars.
The verb form 'vi' is the first person singular form of the past tense of the verb 'ver' (to see) in Spanish.
Learn more about Spanish verbs