—The two old friends were ____ busy ____ with each other that they forgot the t

题型：不详难度：来源：

—The two old friends were ____ busy ____ with each other that they forgot the time.
—Yes. They hadn’t met for over ten years, so they kept talking the whole night.       

A．too, to talk

B．too, talking

C．so, to talk

D．so, talking;

答案

D

解析

试题分析：句意：这两个老朋友忙着彼此谈话，他们都忘了时间。是的，他们十多年没见了，所以他们谈了一整晚上。句型so…that…如此，以至于；be busy doing sth.忙于做某事；故选D。