Correct option is A
A. Rule of Foreseeability → IV (Wagon Mound No 1 case): Negligence is judged by foreseeability established in this case.
B. Rule of Proximity → III (Negligence): Proximity is essential for a duty of care in negligence.
C. Tort of Conspiracy → I (Two or more persons combine to injure a third party by unlawful means): Conspiracy requires a combination of persons with intent to injure.
D. Test of Directness → II (Re Polemis): The test here is whether the damage is the direct result of the act.