An abandoned office would most likely be the best one. Just by hearing the word abandoned, it can give people chills because they don't expect what that abandoned office have. In a fiction story, it might have zombies or something.
Mysterious; spooky, it fits in
Why?
Somehow, all people that adopted them are similar in some type of way
which can be viewed as mysterious
Uncanny is also, by research has a definition of mysterious
True because Through the Tunnel is comparing Coming of Age to the actual text "Through the tunnel"
the answer is A hope this helps