The correct answer here is <u>A) Alliteration & Rhyme.</u>
Alliteration is the repetition of the first sounds of several words in a row in one sentence. Here, alliteration can be seen in the word "silken" immediately followed by "sad".
Similarly, rhyme is the repetition of the same sounds occuring in several words in a row. Here, the most evident rhyme is in the words "uncertain" and "curtain".
Rama makes Sugriva assured about his power and considered Bali's crime to unpardonable of taking his brother's wife. Rama asks Sugriva to invite Bali for duel wherein Bali at first defeat Sugriva very badly and Rama is unable to identify who is Bali and Sugriva as both looked similar. For Sugriva's recognition, Rama asks Sugriva to wear garland. Upon calling Bali gain for duel while Bali arrives Sugriva signals to Rama to shoot him with an arrow and thus defeats Bali and Sugriva becomes the ruler of the Kishkindha.
C. setence fragment, because we do not know who is doing the action.