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

问题补充：

—What good weather! Let’s go boating on the lake.

—.

A. Thats all right

B. Thank you very much

C. It doesn matter

D. Thats a good idea

答案：

A. Thats all right

B. Thank you very much

C. It doesn matter

(答案→)D. Thats a good idea

解析：Thats all right不要紧，没关系；Thank you very much非常感谢你；It doesn matter没关系；Thats 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。