—Whatgoodweather!Let’sgoboatingonthelake. —__________.A.That'sallrig

—What good weather! Let’s go boating on the lake. —__________.A.That's all rightB.Thank you very muchC.It doesn't matterD.That's a good idea

D解析试题分析：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

谢谢了