Final answer:
The correct verb form to complete the sentence is 'golpea'. The subject of the sentence is 'se', a reflexive pronoun indicating the action done to oneself. The verb 'golpea' agrees with the subject and is in the third person singular form.
Step-by-step explanation:
The correct verb form that completes the sentence is OA. golpea.
The subject of the sentence is 'se', which is a reflexive pronoun used to indicate that the action is done to oneself. In this case, it means 'one another' or 'each other'. The verb 'golpea' agrees with the subject 'se' and is in the third person singular form.
Example: En el boxeo se golpea al adversario. (In boxing, the opponent is hit.)
Learn more about Verb forms in Spanish