The War of the Spanish Succession Broke Out When

The War of the Spanish Succession broke out when:

A) William of Orange's daughter succeeded to the Spanish throne.
B) the Austrian king,Leopold I,succeeded to the Spanish throne.
C) Louis XIV's grandson succeeded to the Spanish throne.
D) the named heir of the Spanish throne,Philip V,renounced his claim.
E) Leopold I's nephew succeeded to the Spanish throne.