The answer would be c - interjection. Interjections are words or phrases that express emotion. Examples would be wow, awesome, ummm, etc. These are not appropriate for formal writing but used constantly in daily communication.
The best answer among the following choices would be the first option A) Orestes is Agamemnon's son.
It is a description that puts a picture into your head while you are reading the said story or poem.
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.
