Final answer:
The correct verb form to complete the sentence is 'vimos' in the preterite tense.
Step-by-step explanation:
The sentence is in the past tense. The correct verb form to complete the sentence is 'vimos'. This is because 'vimos' is the first person plural form of the verb 'ver' (to see) in the preterite tense. In the sentence, the speaker is referring to themselves and others, so the first person plural form is appropriate. Therefore, option D. vimos is the correct answer choice.
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