The correct answer here is D.
The Nature in classical romanticism poems is a force of good, respite,inspiration and tranquility. In Byron's Darkness it is clearly not. It is important to note that this poem was created after a catastrophic eruption of Mountain Tambora which severely affected and caused the abnormal weather across the globe. That is why the Nature as depicted here is different from the rest of the romanticism poems.
<span>To stifle is to cut off, hold back, or smother. You may stifle your cough if you don't want to interrupt a lecture or you may stifle the competition if you fear losing. The verb stifle means “to choke, suffocate, drown.” ... At its most extreme, stifle means to kill by cutting off respiration.</span>
The answer is c. An imperative sentence is a sentence that gives command.
