Choose the closest paraphrased version after each of the following sentences or the italicized part. Blacken the letter corresponding to your choice on the answer sheet.
As the days and nights flow by, I scan government documents for gaps indicating an area of knowledge that is still classified.（ ）
A、
…I read the documents trying to find something useful
B、
…I read the documents carefully to find something updated
C、
…I read the documents trying to find information unknown to public
D、
…I read the documents quickly to find information in different categories
【正确答案】：C
【题目解析】：
句子释义： 日子一天天地过去，我浏览政府的文件，寻找尚未解密的知识领域。classified：机密的。
C选项“我阅读（政府的）文件并试图找到那些对公众保密的信息”符合题意。