What is the impact of the last paragraph on the passage? A. It states the fact that Glen Curtiss always wanted to meet the pioneers of the aircraft industry to make an aircraft he wanted to pilot. B. It emphasizes the shift in Glen Curtiss's career from a motorcycle maker to an aircraft engine designer. C. It suggests that Glen Curtiss always wanted to become an expert at making motorcycles and their engines. D. It shows the shift in Glen Curtiss's career by stating the fact that he went from being an unknown person to becoming a celebrity.

D. It shows the shift in Glen Curtis's career by stating the fact that he went from being an unknown person to becoming a celebrity.

Explanation:

Using knowledge gained from the Red Wing and the White Wing, Curtiss built the "June Bug", outfitted with additional improvements. This airplane responded so well in testing, that Curtiss determined to enter it in competition for the Scientific American trophy. He won the first leg in 1908.He did an aircraft and  named it the "Hudson Flyer". He won the prize money, nationwide recognition, and in the process, won the third leg of the Scientific American Competition and permanent possession of the coveted trophy. A final high point in Curtiss's aviation career came in 1919, when the U.S.Navy Curtiss NC-4 Flying Boat became the first aircraft to successfully cross the Atlantic Ocean.