Your project team members need to know, in very specific terms, what work needs to be completed on the project?

c. The project statement of work

I am agree with mr Farook.

I agree with Mhd Farooq. Always follow the PMBOK when in doubt. Answer is C.

My answer is B. Well, product scope is the scope of the final output, the scope of the actual deliverable, and the rest of the choices are actually the ones that the development team will constantly check, right? 

The Project statement of work is sufficient to get understand about the scope.

So my Answer is C

Answer is (A) wbs (WORK BREAKDOWN STRUCTER) AND LET THEM DO