Which three criteria should be looked at when setting iteration length?

A.
Time needed to complete a user story, time needed to build and test the stories, and
product team acceptance of the stories

B.
Timeframe in which the stories must be released, the cost to deliver the features to
market, and product team acceptance of the stories

C.
Delivering chunks of user-valued functionality, time needed to build and test the stories,
and product team acceptance of the stories

D.
Features that categorize the product, the time needed to complete the features, and the
cost to deliver the features to market