Final answer:
The sentence that uses parallelism in the excerpt from Ernest Hemingway's 'In Another Country' is 'The snow powdered in the fur of the foxes and the wind blew their tails.'
Step-by-step explanation:
The sentence in the excerpt from Ernest Hemingway's 'In Another Country' that uses parallelism is: 'The snow powdered in the fur of the foxes and the wind blew their tails.' Parallelism is the use of similar grammatical structures or patterns in a sentence or paragraph. In this sentence, the structures 'the snow powdered in the fur of the foxes' and 'the wind blew their tails' are parallel because they both use the same verb-noun pattern. The use of parallelism adds rhythm and emphasis to the sentence.