Answer:
A) Ella
B) Yo
C) Usted
D) Tú
Explanation:
A) She (Ella) talks with the waitress
B) I (yo) need the knife to cut the chicken
C) You Sir, (Usted señor) eat at the restaurant?
D) You (Tú) read the menu
The answer is D. un.
Làpiz is a masuline word in Spanish, so "la" and "una" cannot be used since those are feminine. "Los" is also incorrect since that is the plural form, which is not being used in the sentence. Therefore, un is the correct choice.