I believe that the Knight would be the obvious answer.
Ahoy there matey
The answer would be between A and B, but I'd choose B because A doesn't exactly influence his beliefs if you know what I mean.
ARRRRR!
Answer:
sneaky, shady, sketchy , questionable, peculiar, odd behavior,
Explanation:
The author was holding it till last to build suspense . the answer will be d
C. the word Have shows you it is past tense but it does not end in ed so it is no a past participle.