单选题：请根据以下内容回答题Internet use appears to cause a decline in psychol

请根据以下内容回答题Internet use appears to cause a decline in psychology well-being, according to research at Carnegie Mellon University.
Even people who spent a few hours a week on the Internet experienced76 depression and loneliness than77 who logged on less frequently, the two-year study showed. And it wasn't that people who were already feeling bad spent more time on the Internet,78 using the Net actually appeared to cause the bad feelings.
Researches are puzzled over the result, which were completely79 to their expectations.They expected that the Net would prove socially healthier than television, since the Net80 users to choose their information and to communicate with others.
The fact that Internet use reduces time available for family and friends may81 the drop in well-being,researchers claimed.Faceless,bodiless “virtual”
communication may be less psychologically82 than actual conversation, and the relationships formed through it may be shallower.Another possibility is that exposure83 the wider world via the Net makes users less satisfied with their lives.
“But it's impossible to remember this is not about the technology; it's about84 it is used,” says psychologist Christine Riley of Intel, one of the study's
sponsors. “It really points to the need for considering social factors in terms of how you85 applications and services for technology.” A．less
B．little
C．more
D．much