Read the following context and choose the best option to answer the question.
Context: I ' m delighted if she can control you especially in cleanliness since she 's got 4 lil brothers at home . : ) Hope she wo n't cry this time due to ur delinquency bcuz ur past homerooms in sequence , the british and me had already wept . Btw , being ur homeroom has made me age that terrible . Yet , stress colors our life rite ?
Question: What may be the reason why she can control you ?
Options: 
- Because she teaches homeroom .
 - Because she had four older brothers .
 - Because she is stressful .
 - Because she is used to looking after people .


Because she is used to looking after people .