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Select one sentence from paragraph 6 that best supports the idea that astronomers competed hard to be the first to get information about heavenly bodies.
A. "Eventually, telescope makers combined the best of both designs, using curved mirrors to gather light and lenses to sharpen and magnify the image."
B. "And when they were done, they built ingenious scaffolds to hold their huge telescopes up."
C. "Astronomers in the 1700s and 1800s, eager for new discoveries, often devoted their entire fortunes to making telescope."
D." They looked up at the night sky, tracked the paths of comets, counted stars, and spied on the planets."
What is
C. "Astronomers in the 1700s and 1800s, eager for new discoveries, often devoted their entire fortunes to making telescope."