意外伤害保险属于( )保险，当保险责任构成时，保险人按保险合同中约定的保险金额给付死亡保险金或残疾保险金。

A．费定额补偿性

B．定额补偿性

C．定额给付性

D．非定额给付性

(c) Explain the application of the ‘two thirds rule’ in relation to a composite supply of goods and services, indicating how a trader may seek to minimise its effects. (5 marks)