La palabra que no es indefinida es una de las que selecsionastes
The answer is Julia SEVISTE con ropa casual para ir al trabajo.
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.
It is supposed to say Bien Y usted? if you sre trying to be formal depending if it is a friend.
also where it says
Jones: ok ven ponlo abajo eschuchar
it is supposed to say ok ven y ponlo abajo para escuchar
besides that it is good.