I would say a), c) and d) all represent potential ethical issues and becoming aware of the mistake and misquote means that they must be reported immediately ie use full disclosure and for referring a friend for a job interview could be considered conflict of interest.
The prepositional phrase is "in" since it describes where the prairie dogs live which is "in New Mexico".
Answer:
Identify the audience and what they will need or want to lnow about the topic.
Explanation: