Final answer:
The narrator is considered unreliable because they provide biased information about the business woman.
Step-by-step explanation:
Out of the options provided, the most likely reason the narrator is considered unreliable is because of choice 3) The narrator provides biased information about the business woman. If the narrator is providing biased information, it means that they have a subjective viewpoint and may not be presenting the facts accurately. This can make the narrator unreliable as they are not presenting an objective perspective.