The abrupt sound of my dad's voice calling to my mother surprised me. Most nights, he came home from work after I was asleep. Tonight, he was early, and his sudden exclamation made me sit up straight in bed. "Hey, Imani, I got a new job!" he called to my mother. "It's the one I've been hoping for!"
What does "abrupt" mean in this passage?
A.unexpected and quick.
B.repeated.
C.familiar.
D.quiet and serious.