营运人应与当地的管理当局协商，调整间隔时间，使其最适合各自的运营坏境。
A.Operators should negotiate with their local regulatory agency to adjust intervals to a best fit for their individual operational environments. B.Airlines should consult local authority; the interval shall be adjusted although it best suits their unique operational environment. C.In order to get the best intervals for their operational environments, operators should consult with local administration.正确答案A
