听下面一段较长对话，回答以下小题。
【小题1】

A．They are both worried about the negative impact of technology.

B．They differ greatly in their knowledge of modern technology.

C．They disagree about the future of AI technology.

D．They work in different fields of AI technology.

【小题2】

A．Stimulating and motivating.

B．Simply writing AI software.

C．More demanding and requiring special training.

D．Less time-consuming and focusing on creation.

【小题3】

A．There could be jobs nobody wants to do.

B．Digital life could replace human civilization.

C．Humans would be tired of communicating with one another.

D．Old people would be taken care of solely by unfeeling robots.

【小题4】

A．It will be smarter than human beings.

B．Chips will be inserted in human brains.

C．It will take away humans’ jobs altogether.

D．Life will become like a science fiction film.