Answer:
Let's see what's there huh?
<span>"and his smile showed red lips and pointed teeth." is a good hint.
If you think about it, this line is the only one that would be used to describe an animal.
You can ask yourself, what do you think of when you read that line.
When I read it I could almost imagine a predator like a wolf snarling, showing it's vicious teeth. In effect, when he opened his mouth to smile it's like you're getting a glimpse into him and his nature.
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The answer is b. the house is gloomy and decaying, which sets the tone for the entire story.
