You didn't italize or mark the phrase, but I see one good candidate:
"The circus animal trainer" is in a way another name given to Mervin, a kind of "renaming" him: this is called an appositive phrase, so if this was the phrase appositive phrase is the answer! (also, I don't see the other phrases here).
Answer:
Accorthing to this text, the correct option is B: "Flailing and Screaming, Xavier disappeared(...)
In this sentence we find words like "flailing" and "screaming" that indicate that Xavier was afraid. This is written in an impicit way, because it doesn't say that he was afraid but rather that he was waving his hands and screaming; these actions suggest that he was asking for help, and that he was desperate and afraid, so the idea of fear is suggested but not explicitly said.
