Bias is characterized by an author stating something as if it is unarguably true, when it is actually not-so-clear cut, and the author simply made some assumptions or had some experiences that supported one particular side of the argument. This is in choice A.
Choices B and C may be true but are not defining characteristics of bias, while Choice D is an entirely different fallacy altogether.
<span>The small size of the Lilliputians and the Blefescudians represents their small-mindedness in refusing to end this conflict. Because he is a giant and therefore "above" the Lilliputians and Blefuscudians, both literally and figuratively, in this quarrel, Gulliver is easily able to change the course of the conflict by capturing the Blefuscudians' ships and averting bloodshed.</span>
C. a slope must be forever climbed.