I think it is b. blind.
Euphemism: expression that is substituted for another that was considered to be too harsh or blunt.
Could you please provide the passage for this question? I would love to help :)
Answer:
Kerchak had hostile feelings towards Tarzan because he was jealous of him. Prior to Tarzan joining the tribe Kerchak was the strongest and bravest in the tribe, however after Tarzan joined the tribe Kerchak became second strongest and bravest in the tribe.
Here’s a main idea: Misfit meant that the grandmother would have only been a good person if she knew that she was being watched and judged. If She were to do something good, she would not be doing this because she cares about doing the right thing, but because she knew she would most likely get something out of it. (I hope this helps)