A. Katty said that she had been there at 7 p.m.
B. Katty said that she has been there at 7 p.m.
C. Katty said that she was there at 7 p.m.
D. Katty said that she would be there at 7 p.m.
Feedback We change the Future Simple to the Conditional in Reported Speech: will - would.