Final answer:
When deciding which task to assign your team, prioritize the task with the highest priority to ensure project A stays on track.
Step-by-step explanation:
When deciding which task to assign your team to ensure project A stays on track, you should consider assigning the task that has the highest priority. This is because high-priority tasks are typically more important and may have more significant consequences if they are not completed on time. Prioritizing tasks based on their impact and urgency helps to ensure that essential project milestones are achieved.