How would most spanish speakers ask a friend for his or her phone number? a. ¿cómo es tu número? b. ¿cuál es tu número de teléfono? c. ¿cómo se escribe tu número de teléfono? d. ¿cuál es su número de teléfono?

Most Spanish speakers ask a friend for his or her phone number by saying, Cual es su numero de telefono?

I hope this helps.

if your asking for what that says, it is

which of these words is an

but i don't know what sentence your asking for the adjective from.