John Is in the Process of Developing a New System

John is in the process of developing a new system.John is defining the problem,identifying its causes,specifying the solution,and identifying the information requirements that must be met by a system solution.John creates a road map of the existing organization and systems,identifying the primary owners and users of data along with existing hardware and software.John will then detail the problems of existing systems.By examining documents,work papers,and procedures;observing system operations;and interviewing key users of the systems,John can identify the problem areas and objectives a solution would achieve.John is in which stage of system development?

A) system design
B) system analysis
C) programming
D) testing