Answer :
Although there are several types and aspects of literary criticism that deal with the techniques and style of the author, the best option from this list is "analysis".
The aspect of literary criticism that deals with the techniques and style of the author is the analysis.
Here is a quick explanation.
Literary analysis consists of an evaluation in order to evaluate and recognize the various aspects that make up a work. This work consists of examining the argument, the theme, the exposition, the style, the technique and other issues.
