The humans arms felt like a snug nest.
nest meaning comforting like a home, a really nice blanket and such. the others don’t really make sense about feeling safe if you put it into literal context
The correct answer of the given question above would be option C. The sentence that is inverted with the subject underlined is: There was a big group here last night. (Group is underlined.) The subject of this sentence is the word "group".
D!
onomatopoeia: the formation of a word from a sound associated with what is named