Final answer:
The correct preterite form of the verb 'leer' to fill in the blank in the sentence is B. 'leyó'.
Step-by-step explanation:
The correct preterite form of the verb 'leer' to fill in the blank in the sentence is B. 'leyó'. In the sentence, 'En el periódico de ayer, yo _leyó nuestra ciudad', the subject 'yo' (I) is performing the action of reading the newspaper ('leyó'). The preterite form 'leyó' indicates a completed action in the past tense.
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