Final answer:
The word pair that correctly completes the sentence is 'liberó, Sudamérica'.
Step-by-step explanation:
The correct answer to the question is D. liberó, Sudamérica.
This sentence translates to 'Bolívar liberated several nations of South America.' The verb 'liberó' agrees with the third-person singular pronoun 'Bolívar', and 'Sudamérica' corresponds to South America. Therefore, the correct word pair to complete the sentence is 'liberó, Sudamérica'.
Learn more about Completing a sentence in Spanish