Final answer:
The best detail from the text that supports the answer is the vivid description of Mr. Bixby's smile and the narrator's emotional reaction.
Step-by-step explanation:
The best detail from the text that supports the answer to Part A in 'Should We Scoff at Love at First Sight?' is:
Vivid Details. The narrator describes Mr. Bixby's 'bland' smile, contrasted with the uproarious laughter of the rest of the group. He also uses vivid details to describe his own reaction: he 'felt meaner than the meanest man in human history.'
This detail supports the answer because it shows the narrator's emotional reaction and the contrast between Mr. Bixby's smile and the laughter of the group, which can help the reader understand the writer's intent and perspective on the topic of love at first sight.