Read the following context and choose the best option to answer the question.
Context: Or venture out to the grocery store . Eventually I will have the freedom to come and go easily . Of course , that is all dependent on the nurse getting used to Maggie 's baseline . If Maggie really gets sick and her care increases , which happens all the time , she 'll be outside the baseline .
Question: What may be the reason for them having to be with Maggie all the time ?
Options: 
- She is controlling of Maggie .
 - She needs to teach Maggie how to do things first .
 - She requires around the clock care .
 - She does n't let Maggie do things on her own .


She requires around the clock care .