Which of the Following Definitions of Incidence Rates Is Correct

Which of the following definitions of incidence rates is correct?

A) The rate at which people without diseases develop disease over a specific time interval
B) The rate of how many people now have a specific disease
C) The rate of how many people had a specific disease in the past
D) The rate of how many people are now free from a specific disease
E) The rate of how many people in a specific group (e.g., females) now have a specific disease