Habrías leído tú los requisitos del trabajo antes de la entrevista?
Translation:
Would you have read the job requirements before the interview?
The verb "leer" (infinitive) conjugated in the form of perfect conditional is used using "habría".) In the second person since it talks about you (" tú")
1. A la vendedora The answer is number 1! It makes more sence in the sentence the others dont make sence with the sentence. Therefore, the answer is 1. a la vendedora