Farley Agrees to Lease an Apart?ment from Gena for One

Multiple Choice

Farley agrees to lease an apart?ment from Gena for one day to see Hugh,the president of the United States,deliver a speech in the street below.The speech is can?celed ten days before its date.Farley's con?tract with Gena

A) is discharged.
B) is not affected.
C) is postponed until another event is scheduled.
D) must be performed immediately.