A female cat in heat urinates more often and in many places.Male cats are attracted to the urine deposits.Which of the following is a proximate cause of this increased urination?

A)It announces to the males that she is in heat.
B)Female cats that did this in the past attracted more males.
C)It is a result of hormonal changes associated with her reproductive cycle.
D)The female cat learned the behaviour from observing other cats.
E)All of the options are ultimate causes of behaviour.