【名词&注释】
服务水平(service level)、竞争对手(competitor)、包容性(inclusiveness)、业务流程(business process)、接通率(percentage of successful connections)、批评性、客观性原则(objective principle)、表面性(surface)
[单选题]服务水平指20s内的人工接通率。普通客户服务水平的合规值是:()
A. A、≥85%/20s。
B. B、≥80%/20s
C. C、≥75%/20s
D. D、≥70%/20s