The telegram has faded out in our life now and gone with are telegraph operators.A. whatB

问题补充：

The telegram has faded out in our life now, and gone with are telegraph operators.

A. what

B. which

C. it

D. them

答案：

A. what

B. which

(答案→)C. it

D. them

解析：句意：电报在我们的生活中消失，随之电报的操作人员也没有了。因为整个句子有连词and故不能再用连词，所以排除AB；这里用it代替前面的单数名词telegram，故选C。