While Strolling Through the City Park One Day,Frieda Finds Larry's

While strolling through the city park one day,Frieda finds Larry's watch,which has a broken strap,lying in the grass.Frieda discovers Larry's name and address engraved on the back of the watch.Which of the following is correct?

A) Frieda must leave the watch where she found it.
B) Frieda may keep the watch, since it is lost property.
C) Frieda may keep the watch, unless Larry demands its return.
D) Frieda must return the watch to Larry, since she knows his identity.
E) The watch is misplaced, so she must turn it in to a representative of the city, as the city is the proprietor of the park.