MsLeitch Was Having a Glass of Champagne in the Outdoor

Ms.Leitch was having a glass of champagne in the outdoor section of a restaurant in Delray Beach,Florida on New Year's Eve.She was hit by a stray bullet and injured.There had been stray bullet injuries in the past on the streets of Delray on New Year's Eve,but the city did not issue any warnings to revelers prior to New Year's Eve.Ms.Leitch has filed suit against the city of Delray Beach to recover for her medical costs,lost wages,and physical pain and suffering.​
-What will Ms.Leitch use to establish duty in her negligence case against the city?

A) That the city was aware of the stray bullet problem but did not issue warnings.
B) That the city did not control stray gun fire.
C) That the city allowed outdoor areas in restaurants there.
D) That the city did not prohibit guns in the streets.