C- explains the complexity of the promblems facing boys
A. becomes an adverb as it becomes a word that describes a noun
i.e. "The mouse ran through the kitchen discreetly to get to the refrigerator."
I would say c silence surrounds since those two words mean the same thing but answer a has no alliteration answer d has no alliteration and answer b also has no alliterations. alliterations must have the same consonant sound.
Music lovers will enjoy seeing this beautiful picture showing the great master "in his habit as he lived," and following his footsteps on the night when, moved by pity, he was inspired to compose, for a poor blind girl, his immortal "Moonlight Sonata.