The correct answer is C. discriminating.
A fastidious person is very particular or careful about small details. In the context of the question, a fastidious person would be very careful about their choice of dress. They would want to make sure that their clothes are clean, well-fitting, and appropriate for the occasion.
Pompous means having or showing an exaggerated sense of one's own importance or abilities. Fussy means excessively particular or demanding. Careless means not taking care or paying attention to what one is doing.
Here are some examples of how the word "fastidious" can be used in a sentence:
- The fastidious chef insisted on using only the freshest ingredients.
- The fastidious student always made sure to turn in his homework on time.
- The fastidious cat grooms itself for hours each day.
