—Let’s go hiking. Look what a beautiful day!—.A. Good job B. Good ideaC. That’s all rightD

问题补充：

—Let’s go hiking. Look，what a beautiful day!—.

A. Good job

B. Good idea

C. That’s all right

D. It doesn’t matter

答案：

A. Good job

(答案→)B. Good idea

C. That’s all right

D. It doesn’t matter

解析：对于别人的建议通常觉得可行好主意来表示，故选B,Good idea。