—What good weather! Let’s go boating on the lake.—.A. Thats all rightB. Thank you very m

—What good weather! Let’s go boating on the lake.
— .
A. That's all right
B. Thank you very much
C. It doesn't matter
D. That's a good idea

A. That's all rightB. Thank you very muchC. It doesn't matter(答案→)D. That's a good idea解析：That's all right不要紧，没关系；Thank you very much非常感谢你；It doesn't matter没关系；That's a good idea那是个好主意。根据上文，多少的天气啊！让我们去湖上划船吧！结合语境可知选D为最佳答案。

感谢回答，我学习了