A compound sentence consists of 2 independent clauses. Meanwhile, a complex sentence consists of 1 independent and 1 or more dependent clauses.
1. complex sentence
2. compound sentence
3. complex sentence
4. compound sentence
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The answer is A because B, C, and D don't have correct subject-verb agreement.
Answer:
The word that best suggests the image of a disgusting creature for the reader would be vermin.
