The correct answer is letter C. She is the person whom he had found sleeping in the library. <span> 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 </span> D. Against who did you think you would compete in the contest? (WRONG) It should be whom instead of who
