It is a kind of online service system, on which you can publish and exchange inf
It is a kind of online service system, on which you can publish and exchange information with others who also are the members of the system.On which you can paste your articles and answer the questions asked by the members of the system and you can also look for help here.It is
A．BBS
B．WWW
C．E-mail
D．TELNET
正确答案：A
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（尤其在法律、医学等领域），建议您咨询相关领域专业人士。