Read the passage from The Strange Case of Dr. Jekyll and Mr. Hyde.On his way out, the lawyer stopped and had a word or two with Poole. "By the bye,” said he, "there was a letter handed in to-day: what was the messenger like?” But Poole was positive nothing had come except by post; "and only circulars by that,” he added.

Utterson asks Poole what the messenger looked like, suggesting he thinks someone may have delivered a letter in person. Poole says nothing arrived except through the post, and only circulars came that way. This points to Utterson suspecting Hyde delivered the letter, making C correct.

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