Some people are extremely fastidious in their choice of dress.

Answer: Option B

Pompous : affectedly grand, solemn, or self-important.
Fussy : fastidious about one's needs or requirements; hard to please.
Discriminating : having or showing refined taste or good judgement.
Careless : not giving sufficient attention or thought to avoiding harm or errors.
Fastidious : very attentive to and concerned about accuracy and detail.

Synonym of Fastidious is Fussy