What is something you can think of to visually represent credibility

The most obvious answer I can give is to see someone who you can see is a professional talk about the topic they mastered. i.e a doctor giving you a diagnosis. That is a credible person giving you a credible diagnosis.

I hope this helps in some way.

from the excerpt from the "the dark game" the reader can infer that folke cronholm was spying for the allied nations.

where are the multiple choice answers?