59. Which 0f the following can best serve as the title of this passage?
(A) How to Help Students to Sell Their Inventions to Producers?
(B) How to Design a Built-in Dervice for Cleaning the Window?
(C) Shouldn’t We Know Who Inventd the Windshield Wiper?
(D) Shouldn’t We Develop Invention Courses in Universities?
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