在考研英语的答案选择题中，关键在于准确把握文章的主旨大意和细节信息。以下是一段原文及其选择题：
原文：
The rapid development of technology has greatly influenced our daily lives. From the advent of the internet to the widespread use of smartphones, technology has become an integral part of our existence. However, this advancement has also brought about certain challenges, such as privacy concerns and information overload.
选择题：
1. The main idea of the passage is:
A. Technology is the key to our future success.
B. Technology has made our lives more convenient.
C. Technology has both positive and negative impacts on our lives.
D. The author is against the use of technology.
答案：C
解析：文章开头提到技术的发展对我们日常生活产生了巨大影响，接着通过转折词“however”引出科技带来的挑战，如隐私问题和信息过载。因此，文章的主要观点是科技既有积极影响也有消极影响。
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