A．He once took the lift only for one floor.

　　B．He is interested in collecting others' secrets.

　　C．He created an art project without telling his wife.

　　D．He helped prevent others from committing suicides.

　　解析：选C　细节理解题。根据第六段“The project itself was once one of Frank's secrets ... was published.”可知答案为C项。

　　C

　　(2016·山西临汾模拟)The Verizon Innovative App Challenge gives kids a chance to create apps (计算机应用程序) that can solve problems in their community.

　　Do you want to make a difference in your community? The Verizon Innovative App Challenge can get you started. The first step is to think of a problem in your community. The next step is to create an app that can solve the problem.

　　Groups of five to seven students in middle school or high school, led by a teacher, can enter the contest. First, teams compete on a local level. Teams that make it to the next round receive $5,000 for their schools. Finalists present their app ideas to judges in a live webinar (网络研讨会)．

　　Next, the judges pick national winners. The top eight teams receive an additional 15,000 for their schools, and each team member receives a Samsung tablet. Plus, the winning teams get the chance to bring their app to life.

　　A group of six girls from Los Fresnos, Texas, won the second annual Verizon Innovative App Challenge. They came up with the Hello Navi app concept, short for “hello navigation”. The app was designed to help visually­impaired students navigate their school by using an internal compass and voice­over technology. Read more about the team in September 19, 2016 issue of TIME For Kids: Edition 3－4.

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