Driving His Sport Utility Vehicle Negligently, Bart Crashes into a Streetlight

Driving his sport utility vehicle negligently, Bart crashes into a streetlight. The streetlight falls, smashing through the roof of a house, killing Chris. But for Bart's negligence, Chris would not have died. Regarding the death, the crash is the

A) cause in fact.
B) intervening cause.
C) proximate cause.
D) superseding cause.