Synonym of SANGUINE

Answer: Option C

Clever : quick to understand, learn, and devise or apply ideas; intelligent.
Proud : feeling deep pleasure or satisfaction as a result of one's own achievements, qualities, or possessions or those of someone with whom one is closely associated.
Hopeful : feeling or inspiring optimism about a future event.
Modest : unassuming in the estimation of one's abilities or achievements.
Sanguine : optimistic or positive, especially in an apparently bad or difficult situation.

Synonym of Sanguine is Hopeful