The answer is B, a connotation is a word that signals different feelings. A definition is the meaning of the word.
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.
I believe that would be a Cell :)
A question that doesn't have a response.
