Read the passage and identify the name of the Roman general who was defeated in one of Boudica's early victories.
"Boudica, queen of the Iceni tribe, led a major revolt against the Roman Empire in Britannia. Her warriors achieved several significant victories, most notably the destruction of Camulodunum, Londinium, and Verulamium. One of her initial triumphs involved routing the Roman Ninth Legion, which was commanded by Quintus Petillius Cerialis. Although her rebellion was ultimately crushed, she remains a powerful symbol of resistance."
A) Julius Caesar
B) Nero
C) Augustus
D) Quintus Petillius Cerialis
E) Hadrian