The summary of the main idea is the conclusion
The correct answer is letter C. She is the person whom he had found sleeping in the library.
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A. The musical group whom won the top prize are from my hometown (WRONG) Because of the word 'whom' which supposedly 'who'
</span><span>B. That author is the one who I saw at the bookstore today. (WRONG) Whom instead of who
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D. Against who did you think you would compete in the contest? (WRONG) It should be whom instead of who
My purple pen is out of ink
