A style in which a writer makes a display of his knowledge

A. Pedantic

B. Verbose

C. Pompous

D. Ornate

Answer: Option A

Solution(By Examveda Team)

One word substitution is Pedantic.

Pedantic: excessively concerned with minor details or rules.
Verbose: using or expressed in more words than are needed.
Pompous: self-important, arrogant.
Ornate: elaborately or highly decorated.