Answer: D. believe that, in a host country, any action is ethically justified if everyone is doing it.
Explanation:
The naive immoralist approach to ethics maintains that most people doing the same thing is enough justification  to act the same way even if it“s ethically questionable. Therefore, under this approach, multinational companies in a host nation are led to believe that not following ethical norms is ok as long as other businesses are not doing it.