【名词&注释】
保险金额(insured amount)、保险费率(premium rate)、强制性(compulsory)、长期性(protracted nature)、再保险合同(reinsurance contract)、成本计算(costing)、超额赔款再保险(excess of loss reinsurance)、再保险公司(reinsurance company)、成数再保险(quota ashore reinsurance)、临时再保险(facultative reinsurance)
[单选题]关于超额赔款再保险(excess of loss reinsurance)费率不正确的说法是()。
A. 超额赔款再保险(excess of loss reinsurance)采取另订费率的单独费率制度
B. 超额赔款再保险(excess of loss reinsurance)费率和原保险费率不直接挂钩
C. 超额赔款再保险(excess of loss reinsurance)费率通常是按赔款成本计算
D. 超额赔款再保险(excess of loss reinsurance)费率和原保险费率直接挂钩的