There are four friends, A. B, C, and D. They are musicians, scientists, astronomers, and logicians. In their teenage years, they used to make predictions about the future. At that time, A prediction said: I do not matter Cannot be a scientist. B predicts that C will be a logician in the future. C predicts that Ding will not become a musician. D predicts that B will not be an astronomer. In fact, only a logician will predict correctly. So, which of the following is the "home" of these four friends? ? ['B is a logician, D is an astronomer, A is a scientist, and C is a musician.', 'A is a logician, B is an astronomer, C is a scientist, and D is a musician.', 'C is a logician, A is an astronomer, D is a scientist, and B is a musician.', 'Ding is a logician, C is an astronomer, B is a scientist, and A is a musician.']