Which sentence from the passage contains an oxymoron?
A.
"We'll sneak out once we have to turn that corner."
B.
"It seems fiercer in person than in the pictures that book we used to read when we were kids."
C.
"There's so much more to see than this gem place that we have to be."
D.
"Look, Chris, there's an authentic replica of the Allosaurus here."