The link you provided here, Bach, explains that we must provide an explanation of how certain parameters will be handled in your app.
Please give us an explanation that we can all enter in our app review. Please tell us how your app uses these parameters:
-use of user_gender
-use of user_friends
-use of user_age_range
-use of user_link
Refer to the new guidelines at
developers.facebook.com/docs/facebook-login/permissions and click on each of the parameters above to see how your app has to comply.