Which of the following characteristics of the supergiant stars is correct? A. A supergiant star has a diameter that is 10,000 times that of our Sun. B. A supergiant star has a diameter that is 100,000 times that of our Sun. C. A supergiant star has a diameter that is 100 times that of our Sun. D. A supergiant star has a diameter that is 1,000 times that of our Sun