@myriamdagher1, you should be able to do it as outlined by @hakan_cetinkaya and @wroos as shown in the image below:
In the survey tab of your XLSForm:
In the choices tab of your XLSForm:

Data entry screen as seen in Enketo:

Data entry screen as seen in Enketo:

Data entry screen as seen in Enketo:
Reference XLSForm:
USD.xlsx (17.3 KB)


