There is no dramatic irony in the pit and the pendulum but there is situational irony.
Answer:
i am pretty sure it B. and i hope this helps
(D) pig fly
It shows the action which is being done upon the subject of the sentence which is the pig.
A phrase is a set of words that don't have a subject doing a verb.
A clause does have a subject doing a verb.
So therefore, 1 would be a phrase, 2 would be a subordinate clause, and I'm sure (or hope) you can figure out the rest..?