I feel that the missing word is most likely "lens" - check if it's among your options.
When something is compared to a lens through which the word is seen, it means that the world is seen through a certain perspective, that it's using a certain interpretation: here that of literary theory.
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The word best describes the authors attitude toward king's victory over riggs is
b) disbelieving
Answer:
C. The seeds of sunflowers were used to make cooking oil.
Explanation:
"One way that they can make biofuel is by planting the sunflower seeds, harvesting them, taking the seeds, pressing them for their oil to create biodiesel and biofuel that could help run hybrid cars, so that people wouldn't have to use as much fuel".