C is the correct answer. The common nouns here are: object, magazine, floor. The other sentences do not have three common nouns, therefore these are not the correct options.
Explanation:
If something is ironic it's unexpected, often in an amusing way. If you're the world chess champion, it would be pretty ironic if you lost a match to someone who just learned to play yesterday. Ironic is the adjective for the noun irony. In contemporary speech, when we call something ironic, we often mean sarcastic.
The entire quatrain where that phrase is found talks about time itself. It says that time gives beauty, thus making that particular person handsome, but time also takes away that same beauty - unfair which fairly doth excel. What was once young and beautiful will become old and wither as time goes by.
One can see through a cactus fence, but it is hard to climb through.
Cactus plants are found at tourist beaches.
Cactus is sharp, which represents the pain the natives feel.
Trueeeee he does refer to that