Explanation: because I take AP Spanish and grammatically and I'm from Puerto Rico. On the sentence "Yo conozco a Eric" is talking about one person and the closest one is C.
It can't be A because "la" means or it's talking about a female
It can't be B because even though it's talking about a male, the "S" at the very end of the word is talking about more than one person.
It's not D because even though they have similar meaning, option C is coming from a third person point of view while option D is coming from a first person Point of view
A. tan saludable B. mas gordo que C. mejor que D. mayor que E. peor que F. mas alta que G. mas rapido que H. tan alta como I. menor que J. menos grande que