Final answer:
The imperfect form of the verb 'eran' is correct in the sentence 'Eran las cinco de la tarde' as it accurately describes an ongoing past action or situation.
Step-by-step explanation:
The subject of this question is Spanish. The sentence 'Eran las cinco de la tarde' is in Spanish and translates to 'It was 5 o'clock in the afternoon.' The imperfect form of the verb 'eran' is correct in this sentence because it is used to describe an ongoing past action or situation. In this case, it is describing the time of day, which was 5 o'clock in the afternoon.
Learn more about Imperfect form of the verb in Spanish