Answer:
it is an adverb phrase modifying came
Styx, in Greek mythology, one of the rivers of the underworld. The word styx literally means “shuddering” and expresses loathing of death. In Homer's Iliad and Odyssey, the gods swear by the water of the Styx as their most binding oath. ... There is a legend that Alexander the Great was poisoned by Styx water.
<span>D. A noise! She turned her head. Nothing. Nothing but the wind. Im pretty sure!
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Madame Podtotchina is the person.