The author uses alliteration to call attention to his message in which of the following excerpts from the text?
a. "… and his cravat was large and billowy, under a chin shaped like the toe of an old boot "
b. "… and a heavy writing-desk squatted in the middle."
c. "from behind that structure came out an impression of pale plumpness in a frock-coat …"
d. "… though the house was as still as a house in a city of the dead …"