Respuesta :
The thing about which Nick was surprised when he first met Gatsby at the party in chapter 3 is that Gatsby is a young man.
What are the themes of The Great Gatsby?
The themes of The Great Gatsby idealism, class, wealth and love.
When Nick saw Gatsby for the first time in chapter 3, he made a remark “I was looking at an elegant young rough-neck, a year or two over thirty," which clearly states that Gatsby is young.
Hence, the correct option is A that is "that Gatsby is a young man".
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