According to the Text,why Is There Concern Over the Effect

According to the text,why is there concern over the effect of communications technology on family relationships?

A) Parents will supervise their children too closely through pagers and cell phones.
B) Parents' willingness to learn about computers will erode children's expertise.
C) Children's expertise may erode parents' authority.
D) Family meetings via videoconferencing are less fulfilling than face-to-face gatherings.