PREDOMINANT :

A. Lovable

B. Important

C. Vague

D. Assurance

Answer: Option B

Solution(By Examveda Team)

Lovable :inspiring or deserving love or affection.
Vague :of uncertain, indefinite, or unclear character or meaning.
Assurance :a positive declaration intended to give confidence, a promise.
Important :of great significance or value.
Predominant :present as the strongest or main element, important

Synonym of Predominant is Important.