Answer:
"Some use it to stay safe from other animals that could eat them"
Explanation:
Jargon is defined as random talk. This sentence has no context and we have no idea what main point they are trying to convey.
What makes more sense out of all of them is number 2. Engage
E and G....
He opened the door is a full verbal phrase.
a predicate noun is used to follow a verb.
