If a project coalesces well, it suggests:

The term "coalesces" refers to the process of coming together to form one mass or whole. In the context of a project, if it coalesces well, it indicates that different elements, tasks, or components have successfully integrated or worked together harmoniously. This integration is essential for the success of any project, as it often involves collaboration between various teams or individuals who contribute their specific expertise. The successful bringing together of these parts results in a cohesive and effective outcome, which is why option B accurately reflects the meaning of the term in this scenario.