Please answer the following question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mini Hoover Dam Tour ONLY $48 per person LIST PRICE $60 This tour begins with beautiful sights as you travel by coach through famous Las Vegas towards Boulder City, Nevada. As you leave Boulder City on your way to the famous Hoover Dam, you will see in the distance Lake Mead. Created by the Hoover Dam, it is one of the largest and most beautiful man-made lakes in America! When you arrive at Hoover Dam, you can visit the museum, watch a movie on the Dam's construction and see Oskar J.W. Hansen's famous sculptures on the Nevada side. Experience the excitement of this man-made wonder with great views that will create memories of a lifetime! Tour Highlights * Free hotel-to-hotel pick-up and drop-off * Coaches with windows for your viewing pleasure * Beautiful views of man-made Lake Mead * Experience the Hoover Dam from two states * Hoover Dam Discovery Tour * Time for souvenir shopping * Relax and enjoy our return journey by coach to Las Vegas Options: A It is a beautiful natural lake. B It is formed by the Hoover Dam. C It is the largest lake in America. D It is designed by Oskar J.W. Hansen. Answer: B It is formed by the Hoover Dam. Question:
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What can we learn about Lake Mead from the text?