Answer: Quien
Explanation: because you can say quienes and that is plural
A means juan and ana, do you sit here
B means juan and ana, let's sit here
C means juan and ana, sit here
D means juan and ana, let's sit here
And I believe it is C
¿Cómo está usted?-
Which in english means how are you
Hope this helped!
Good luck!
Brainliest is always appreciated!
:) <3