Answer:
A) that uses the signals transmitted via the phone to access databases
Explanation:
According to my research on database programming languages, I can say that based on the information provided within the question it is a language that uses the signals transmitted via the phone to access databases. In other words the standard Database language, more widely known as SQL, is used to create, maintain and retrieve the relational database.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.