Which sentence shows activity from the past until now? A.I have read three books last month B.The staff has done well from the presentation C.Andy has changed s

Which sentence shows activity from the past until now?
A.I have read three books last month
B.The staff has done well from the presentation
C.Andy has changed since I saw him last Monday
D.The man has been in this town for three months
E.I have seen the concert at the stadium with my friends