Answer: d. It centers on a structured workshop in which users and system professionals come together to develop an application
Step-by-step explanation:
Joint Application Development refers to a methodology which has to do with an application development by a succession of workshops that is called the JAD sessions. It us used in the collection of business requirements when a new information system is being developed for a company.
Therefore, a characteristic of joint application design (JAD) is that it centers on a structured workshop in which users and system professionals come together to develop an application.
The correct option is D.