Answer:
The correct option is: D. pinpoint activities that need to be closely watched
Step-by-step explanation:
Critical path analysis, also known as the critical path method, is a method of project management that involves planning every important task necessary for the completion of the given project.
It also includes managing the time required for each and every task or activity, which tells about the associated slack time, used to predict the overall deadline of project completion.
Slack time analysis refers to the process of analyzing the delay in each task or activity without delaying the completion of the whole project.