It looked - old . Not terribly old , like turn of the century old . But old enough that I noticed the models on the cars . Old enough that even with the absence of people , which I expected , I knew it was n't my time period . Was n't my era .

Question: Why is the narrator presently wary of their surroundings ?
Answer: The narrator is seeing intruders around him .The narrator is seeing threats around him .The narrator is seeing strange antiques from another era .None of the above choices .