Near the end of a reports introductory paragraph
so the answer would b “A”
Complex (i think, hope this helps)
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.
:) Daisy's sock is the answer
