Answer:
It means that people show their true colors when there by theirself and they arnt typically fake around other people but only they know their true selves its just like the expression "What you do in the dark always comes to light"
Explanation:
A. "an' that's brown th' young 'un with thee."
C or d both are good but I am leaning towards c
Answer:
B or D im not sure how the innkeeper acted but if I had to guess I would say D