Final answer:
The correct sentence is that customers agree the requirements address their needs, which is critical for successful software development. Developers must understand and ensure requirements are feasible.
Step-by-step explanation:
The correct sentence regarding requirement agreement in the context of software development is: Customers agree that the requirements address their needs. This statement ensures that the software being developed meets the customer's expectations and solves the intended problems or requirements. In software development, it is crucial that developers understand the requirements and ensure they are feasible; otherwise, the project may fail to meet its objectives.