Answer:
The correct answer is letter "C": Scope creep.
Step-by-step explanation:
Scope creep happens during the execution of a project when its requirements are extended usually related to the budget. This type of unexpected event puts the project at risk. To avoid these types of actions constant follow up on the progress of the project is required.
Lack of clarity and precision in the project's specifications or designing and developing activities without making a proper execution plan can also lead to scope creep.