Which of the following is most likely going to help foster collaboration between the customer and the team on an agile project?

A) Ensuring that the customer is co-located with the team and able to communicate face-to-face

B) Building projects around motivated individuals and trusting them to get the job done

C) Ensuring that the customer and the team are able to maintain a constant pace indefinitely

D) Welcoming changing customer requirements, even latte in development of the product