The tone of this passage can be described as disdainful.
The answer is C. The tone of <em>frustration</em> is manifested in "went home indignant", "choking with anger", "with confusion" and "the more cast cast down", all these feelings, <em>resulting from some something said before</em>, could be a proof of things he's being accused now. His Norman <em>craftiness</em> is <em>working against him, since people seemed to perceive it.</em>
I wanna say sensibility, but i cant give an analysis.
The property owners call the previous tenants “Okies”.