在阅读考研训练中，答案的寻找往往依赖于对文章主旨的把握和细节信息的精准捕捉。以下是一个原创的英语阅读考研训练答案示例：
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问题： 阅读以下文章，回答问题。
In the last decade, the rise of e-commerce has revolutionized the way people shop. With just a few clicks, consumers can now purchase products from around the world, enjoying the convenience and variety that traditional brick-and-mortar stores cannot offer. However, this shift has also brought about challenges, such as the need for efficient logistics and the potential for increased online fraud.
The article discusses the impact of e-commerce on consumer behavior, highlighting the convenience and variety it offers. It also addresses the challenges faced by businesses in adapting to this new retail landscape. Which of the following statements best reflects the main idea of the article?
A. E-commerce has significantly improved consumer convenience and variety.
B. The rise of e-commerce has led to increased online fraud.
C. Adapting to e-commerce requires businesses to invest in advanced logistics.
D. E-commerce has completely replaced traditional shopping methods.
答案： A
解析： 文章开头就提到了电子商务如何改变了人们的购物方式，强调了其带来的便利性和多样性。尽管文章也提到了一些挑战，但这些内容都是为了支持主旨，即电子商务如何改变了消费者的购物体验。
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