In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to know if you are agoraphobic [title] Pay attention to your need for company when out in public. [step] People who have agoraphobia often require assistance when traveling to a new place because they are afraid to go out alone. People who have agoraphobia often have a difficult time doing things independently and are comforted by the presence of a friend or partner. <sep> (A) This is because they are afraid and cannot hold their doors open for others. [substeps] No, there are not many people who do not like the notion of being alone and oftentimes they do not want to bother others. (B) [substeps] You may be uncomfortable traveling alone alone, or you may need professional help. Pay attention to your desire to engage your friends and family members in conversation. (C) [substeps] If the thought of going to the grocery store for a gallon of milk makes you feel anxious, you may suffer from agoraphobia. [title] Consider whether you have established a fixed route. (D) They may also find it threatening to travel alone. [substeps] If you want a friend to accompany you, ask your friend if she/he wants to go with you instead.
A:
C