Answer:
The option that fills the blank is:
- ¿Cuál es la fecha de su nacimiento?
- Paula: ¿Cómo se llama?
- Sr. Fernando: Me llamo Carlos Fernando.
- Paula: ¿Cuál es la fecha de su nacimiento?
- Sr. Fernando: La fecha de mi nacimiento es el veinte de abril.
Step-by-step explanation:
The translation of the conversation is:
- Paula: What's his name?
- Mr. Fernando: My name is Carlos Fernando.
- Paula: What is your date of birth?
- Mr. Fernando: The date of my birth is April 20th.
The word "cuál" is an interrogative pronoun used to select a single option from a group of predefined options, in the case of a birth date, the predefined options are 365 days of a normal year (or 366 of a leap year) in which there may have been born a person, Mr. Fernando in this case, of which the correct option was April 20. Another way in which you could ask was:
But to use this form of a question you should not include the word "fecha".