Choose the correct sentence among A, B, C or D that has the same meaning as the given one.Câu hỏiThe rain began to fall during my walk in the country. A. While I walked in the country, it had rained. B. While it was beginning to rain, I had walked in the country. C. While I was walking in the country, it began to rain. D. While it began to rain in the country, I was walking.