Final answer:
The question is asking how someone determines that they have a problem, using Marcy and her to-do list as an example.
Step-by-step explanation:
The subject of this question is not related to a specific academic subject. It is asking about how someone determines that they have a problem. In this case, the person is referring to a student named Marcy who is having difficulty completing her to-do list. The options given suggest different reasons why Marcy might have a problem, such as not completing her tasks or having too many tasks on her list.