Professor: One cannot frame an accurate conception of one's physical environment on the basis of a single momentary perception, since each such glimpse occurs from only one particular perspective. Similarly, any history book gives only a distorted the biases and prejudices of its author.
What this question is testing
Your task
Describe how the argument proceeds — the technique it uses to reach its conclusion.
Common trap
Answers that describe a method the argument doesn't actually use.
Winning move
Track the role each statement plays, then match that to the choice describing the same moves.
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