Question

--What good weather! Let's go boating on the lake.

 --_______.

1. A.
   That's all fight
2. B.
   Thank you very much
3. C.
   It doesn't matter
4. D.
   That's a good idea

Answer 1

D
根据题意同意对方的提议，回答要用“好主意”。所以选D。