The writer’s purpose of the allusion "in the cone of yellow light under the brown-scorched shade" is A - She uses few words to convey her theme.
This refers to the literary technique that is used to make a reference to something.
Hence, we can see that from the given narration, there is a description of the interaction of the newlyweds and how they rarely spoke and the use of allusion shows that she uses few words to convey her theme.
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