B - asking your supervisor if you are doing something the right way.
This is feedback because it involves the person who is asking for feedback getting back information on whether he is performing good or bad.
I don't see any options, but it would most likely be the one that is most caring and understanding.
I believe the answer is C - A company opens a new factory and employs more workers.
They may want to appear just as the way the bodies look in an advertisement. And if the bodies are unhealthy bodies in the advertisements then that would be a negative reaction to the advertisement.
I'd say c but I'm not positive