It should be a semicolon but there is an exception to this rule. So the answer is C
The first and third one are correct. The middle one is fiction.
"A servant to servants" is a Robert Frost's poem. It is the story of a woman who suffers from a mental illness and is tired of her daily routine. She finds it interesting to meet new people and to speak about her life. In this poem, the camper is an stranger but she is also friend, someone to share the burden of her illness and her daily life in a rural area. The stranger is a new life to her. That is the reason why it is so important to talk about her personal issues.
