影响石蜡安定性的主要因素是所含有的微量的（）和稠环芳烃等杂质。
A、烷烃
B、烯烃
C、非烃化合物
D、环烷烃
参考答案：C
In relation to the rules adopted by the courts in statutory interpretation:
(a) Explain the literal rule, the golden rule and the mischief rule. (5 marks)
