The setting gives more of a cautious and for me kind of an unemotional mood. Rainsford is looking at his surroundings wondering what he's going to do, but he really cant do anything Besides sleep.
Answer: The mood is uneasy, perhaps ominous; there is a sense of foreboding.
Explanation: inclusion of details such as the "stealthy steps" outside his room, the "dark and silent" chateau, "black noiseless forms" moving in the pattern of shadow, and the "sallow moon" create a mysterious scene which the protagonist, Rainsford, is sleepless, disturbed by the sounds and sights in his surroundings.
A makes the most scene, as it is the act of Lenny talking about soft objects to Curley’s Wife that leads to her eventually demise, which leads towards the climatic moment.
The answer is "He was bad enough in all conscience, but the Devil himself could not temp him to turn slave-trader. Satirical is a synonym for sarcastic. So when the Author says that Tom Walker could not be tempted by the Devil he does not literally mean "The Devil" but he means that he is too morally upright to become a slave-trader.