Final answer:
The correct form of the verb 'leer' in the sentence is 'leyó.'
Explanation:
Correct Answer: D. leyó
In this sentence, the correct form of the verb 'leer' in the past tense to agree with the subject 'Él' is 'leyó.'
For example: Él leyó un cuento ayer.
Learn more about Spanish verb conjugation
