I had a terrible dream last night and I was very much scared.

A. frightened

B. excited

C. injured

D. unhappy

Answer: Option A

Solution(By Examveda Team)

Frightened : afraid or anxious.
Excited : very enthusiastic and eager.
Injured : harmed, damaged, or impaired.
Unhappy : not happy.
Scared : fearful; frightened.

Synonym of Scared is Frightened