"para escuchar" is the correct way to say "to listen" in spanish
What are the unique qualities of the Totumo volcano in Colombia. What are the unique qualities of the Totumo volcano in Colombia.
Chica is feminine... reservada is feminine... so which of your options are feminine? Ella and la. Ella means she so it can't work, as that would mean she girl is very reserved. La is the femenine the. So that is your answer.