As the project manager, what can you do to support your agile team's efforts to improve quality? A. Investigate and try to quickly resolve any impediments mentioned in the team's daily stand-up. B. Carefully follow their progress and assign improvement initiatives at the iteration retrospectives. C. Monitor their work to ensure that the development cycle time doesn't fall too rapidly. D. Leave the team alone as much as possible to allow them to build their problem-solving skills.