Concept:The underlined word describes how Binetou looked in the red dress.Explanation:The word "resplendent" means shining brightly, magnificent, or extremely beautiful.In the sentence, it shows that Binetou looked very impressive and attractive in the red dress."Stunning" also means extremely impressive or strikingly beautiful.So, "stunning" is the closest in meaning to "resplendent" in this context."Expensive" refers to cost, not appearance."Respectable" means proper or socially acceptable."Conspicuous" means easy to notice, but it does not carry the same sense of beauty.Answer:B. stunning