Yes, you should put a comma.
A comma is usually used in the middle of a sentence to separate two clauses, or right before a conjunction. Since “like” is a dependent clause in this sentence, as “it can be attractive” can stand alone, a comma would be put before it. It may also help to read the sentence and see if there is a natural pause to it.
It is C. A presentation of how paper is recycled on campuses across the United States.
C because the topic is fighting for something
Answer:
It's D: he claims to be rational while committing an irrational act.
Explanation: