Final answer:
The appropriate preterite form of the verb traer is trajimos.
Step-by-step explanation:
The appropriate preterite form of the verb traer in the sentence is trajimos.
When conjugated in the first person plural (nosotros), the preterite form of traer is trajimos.
For example, in the sentence 'Para la fiesta de cumpleaños de Clara, nosotros trajimos mucho papel picado,' the correct answer is C. trajimos.
Learn more about Conjugating the verb traer in the preterite tense