1. Giving the appearance of saying one thing while meaning something else is called <em>irony.
</em><em />2. A group of writers satirizing society is termed as <em>Scriblerus Club.
</em><em />3. The two rhyming lines of verse with five iambic feet is called the <em>heroic couplet.
</em><em />4. The giants with a wise king are called <em>Brobdingnagians.</em>
<em />5. The human beings controlled by cold is reason refers to <em>Houyhnhnms.</em><em /><em>
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B fits well in the sentence because 'interrogative' links to asking questions, and generally inquiring for more details.