In the 1906 San Francisco Earthquake, Much of the Damage

In the 1906 San Francisco earthquake, much of the damage was due to fires because _______.

A) a cow kicked over a lantern in a barn and started the fires
B) electric power lines fell and caused sparks that started fires
C) the shaking caused gas lines to rupture everywhere and these ignited to cause huge fire storms in the city
D) water lines were badly damage so that firemen could not put out the fires