---How about going for a walk after supper?-----.A. No I’m busy.B. Why do that?C. Yes le

问题补充：

---How about going for a walk after supper?

-----.

A. No, I’m busy.

B. Why do that?

C. Yes, let’s do.

D. Good idea

答案：

A. No, I’m busy.

B. Why do that?

C. Yes, let’s do.

(答案→)D. Good idea

解析：考查：what/how + doing 表示提建议，句意：晚饭后去散步怎么样？故用D Good idea.真是个好主意。