Match the Potentially Problematic Element of Causation to the Scenarios

Multiple Choice

Match the potentially problematic element of causation to the scenarios given.
-A negligently caused a car crash on a motorway. B, who was driving one of the other vehicles, was slightly injured and stayed in her car and waited for help. C, an ambulance driver, responding to the scene, collided with B's car at speed and seriously injured B.

A) Cause in fact ('but for' test)
B) Cause in law (remoteness)
C) Intervening act breaking the chain of causation