【正确答案】 B

【答案解析】原文：W: What colour T-shirt shall I bring you from New York, Fred?M: I’ d prefer black but…actually a baseball cap would be a good idea.W: Mmm. Or what about another model car for your collection? I could get you a New York taxi.M: Great. I really like the sports car you bought me last time.Question: What gift will the woman bring?题干问按照男士的观点，在网上卖货的时候最需要什么。通过对话内容可知，男士表示事物会发生变化，机会可能会悄无声息地出现，而能否有效地把握节奏才是真正帮助或阻碍企业发展的关键。也就是说在网上卖货最需要快速适应新环境的能力。故选B。