Describing a character's luxurious style of dress is an example of creating character through

sympathy.
appearance.
speech.
imagery.

i think it is D but not positive

It could be imagery

http://dictionary.reference.com/browse/imagery

But I think a better answer is appearance.

it is B.

Describing a character's luxurious style of dress is an example of creating character through imagery.

Imagery refers to the use of language and description to create vivid mental images in the reader's mind. By painting a picture of a character's lavish and opulent clothing, the writer is using visual details to convey a certain impression of the character's personality, status, and tastes.

To create character through imagery, the writer can use descriptive language to depict the character's choice of fabric, colors, patterns, accessories, and overall fashion statement. By emphasizing the luxuriousness of the character's attire, the writer can convey that the character is glamorous, affluent, or even snobbish. These visual cues help shape the reader's understanding of who the character is and may influence their perception of the character's personality and motivations.

In summary, by describing a character's luxurious style of dress, the writer creates character through imagery by using expressive and detailed language to bring the character's clothing to life in the reader's imagination.