Answer: The third sentence is correct.
I'm thinking Huck Finn, and Of Mice and Men are similar, just by the dialogue, if not by the mannerisms of some of the characters.
I don't know if that answers the question but, hey; I tried. :-/
Answer:
"Mrs Hamilton was totally unaware of the standoff between Claudette and the driver"
Explanation:
To be grateful and care more about others