<span>that's right trembling and shriek.
</span>
I think it is a or b but this is not exactly one of my strengths.
The behavior suggest that: He is willing to do anything to achieve his goals.
Gareth realized that someone with a background like him is almost impossible to enter knighthood.
He took the job because he wanted to get Close to King Arthur and he eventually notices Gareth Value and potential.
