Choose C, here are the detailed steps to help you find the original problem, dear, you can also find the answer to find the problem you want to solve. There is no need to log in and register, and the problems are diverse. There are similar problems without the same problem, but the numbers may be different. Detailed answers and comments. You can try if you don't believe me. The following is the answer to the question. I hope it can help you. Take it.