I guess that's "setting".
The theme is the message that an author is trying to get his or her readers to understand. For example, in the Greek myth of Daedalus and Icarus, the theme was "don't be prideful". Because Icarus and Daedalus violated this by trying to act like the gods, they were punished: Icarus fell into the ocean and drowned.
The answer for that problem is web source i believe
Answer by JKismyhusbandbae: B. is glad that Eddie is back from a trip.
Why: We can infer Boomer is a dog and he is glad Eddie is back because he wagged his tail excitedly and he knocked over Eddie.
Answer:
B. Ellery Queen cannot find the money.
Explanation:
Ellery is frantically searching for his money, she has searched everywhere but is unable to find the money. He is desperate to find the lost money and he is not helped by the snickering of the Buell, Ruffo and Strager boys.
The inability of Ellery to find the missing money is the source of tension in the passage.