Answer:
Can't He? is the Ans because
If there is positive in tag question we should write Ans in negative form so ans is Can't He?
Assuming the italicized clause is <em>Since its establishment, </em>the correct answer here is elliptical clause.
Elliptical means that a word which would normally be part of a sentence is excluded, usually for stylistic reasons. Here, the verb is missing, which is why it is elliptical. The question is oddly formulated too - given that there is no verb here, it cannot be a clause, but rather a phrase, but since there is no such option here, then the correct answer is elliptical clause.
Explanation: The Asian Giant Hornet will attack if it feels like it’s threatened or your near its nest, they only attack if they are provoked and they don’t attack for no reason, so the name "murder hornet" doesn’t suit them at all. And the insect does look like a bird so D