As a high-profile project manager for nuclear power projects, Theodore has come to the realization that incorporating project changes into the schedule throughout the project is imperative if he is going to keep the project on schedule. By utilizing network diagrams, he is able to track the scheduling and execution of the various tasks throughout the process. When performing a backward pass analysis of a project schedule, he knows that it is important to identify and evaluate all of the paths of activities that have A. Negative slack B. Positive slack C. No slack D. A critical success factor