— Why not have a new machine designed? —. I’ll have someone do it soon.A. I don’t think so

问题补充：

— Why not have a new machine designed?

—. I’ll have someone do it soon.

A. I don’t think so

B. I’m not sure

C. It’s up to you

D. Sounds like a good idea

答案：

A. I don’t think so

B. I’m not sure

C. It’s up to you

(答案→)D. Sounds like a good idea

解析：考查交际用语：A. I don’t think so我不这么认为，B. I’m not sure 我不确定，

C. It’s up to you由你来决定，D. Sounds like a good idea听起来是个好主意。第一句话是——-为什么不找人设计新机器？--从第二句话的，我很快就找人做，说明是同意，选D。