Question

--- It’s a fine day today. Why not go out for a walk? &

Answer 1

D

考查交际用语。Good luck祝你好运；That’s OK没关系，不用谢；It’s very kind of you你太好了；Good idea好主意。句意：天气太好了。为什么不出去散步呢？好主意。所以选D。