Robert sat dow at his desk chair ,( reached) for the telephone and called up a number

问题描述:

Robert sat dow at his desk chair ,( reached) for the telephone and called up a number
Robert sat dow at his desk chair ,( reached) for the telephone and called up a number
A reaching B reached C reaches D to reach
这里选择的是 B 请问为什么

sat ...,reached.and called
这是三个连续动作排在一起.这里的逗号相当于and.