To list the answers of a "text" question in single choice answer mode to the following question in the xlsform?

How to list the answers of a “text” question in single choice answer mode to the following question in the xlsform?
In fact, I want to list the names of the customers already registered in another question as these single choice answer modes

Welcome to the community, @BIS!

Is this from the same form or from a different form (but within the same account)?

Bonjour …
Merci pour l’intérêt accordé à ma préoccupation.
Effectivement c’est dans le même formulaire, du même compte.

@BIS, if that is the case, then is this something you are looking out for?

Thank you very much @de Kal_Lam
It clearly solves my problem

Hello,
And I come one more time to ask for your assistance.
I have a form that has 02 Large Sections. In the first section, we record the Customer information, and in the second section, the registered customer names must be listed in Select_one.
These names must be listed according to the country in which it was registered in section 1.
Thank you for your help.