Which of the following statements is not correct? ________ 以下哪个语句是不正确的? __________
A、If all the developers are professional enough, management won't be needed.
B、The software development is not the mysterious technique of a certain individual labor, but should be the engineering of an organization of all kinds of people.
C、A software development team should include kinds of people.
D、Software project development is a team work.