<span>The process that an author does to introduce the character in the story is called characterization. It is the revelation of the personality of the character.
Direct characterization is the way the author reveals how he/she wants the character to be portrayed, such as their traits in a direct and straightforward manner.</span>
The most important characteristic of a good detective is if they are observational or not, they won't every solve any case if they don't keep their eyes wide open, and observe.
Conclusion A is the best support
