Final answer:
The correct answer is option A, 'llegue.' In this sentence, the verb 'llegar' needs to be in the subjunctive form because it is used after the phrase 'espera que' (hopes that).
Step-by-step explanation:
The correct answer is option A, llegue.
In this sentence, the verb llegar needs to be in the subjunctive form because it is used after the phrase 'espera que' (hopes that). The subjunctive is used to express uncertainty, desire, or doubt. In this case, the speaker's brother hopes that the train arrives on time, but it is not certain.
Example: Mi madre quiere que yo llegue temprano a casa. (My mother wants me to arrive home early.)
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