Respuesta :
i Think is A-tu . tu means you , usted is you in another from , vosotros is we , ustedes is they
¡Hola!
You were talking to the little boy you babysit ..
Best subject pronoun ????
you will use "tú"... as you're older than him .........
A- tú --> familiar you singular
B- Usted --> formal you singular
C- vosotros -> familiar plural you ( 2nd person plural)
D- Ustedes --> formal you plural