One who talks continuously

A. Impecunious

B. Loquacious

C. Voracious

D. Avaricious

Answer: Option B

Solution(By Examveda Team)

One word substitute is Loquacious.

Impecunious: having little or no money.
Loquacious: tending to talk a great deal; talkative.
Voracious: wanting or devouring great quantities of food.
Avaricious: having or showing an extreme greed for wealth or material gain.