The correct reflexive verb in the sentence," El jugador Rubén corre en el partido y cuando se rompe el brazo, el doctor le ayuda y le pone el yeso, is Romperse.
What is reflexive verb?
A reflexive verb can be regarded as a transitive verb , and the verb are always having the same object as well as subject.
From the sentence, i choose romperse , since it act as the reflexive verb, because Rubén serves as the subject of the verb.
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