Final answer:
The correct word to complete the sentence is 'simpatica'
Step-by-step explanation:
The correct word to complete the sentence is simpatica.
In Spanish, the word persona is a feminine noun, so we need to use a feminine adjective to agree with it. Among the options given, simpatica is the only one that matches in gender and agrees with la persona.
Therefore, the correct sentence is: La persona simpatica.
Learn more about gender agreement