Which of the following is true about APK expansion files?

A.
They are the special format files that developers get when the APK file of application is
extracted.

B.
They are the format of files provided by Play Store against any paid application that can
be used to extract the APK file.

C.
They are the additional file hosted by Google Play to overcome the size limit of your
application’s APK file.

D.
It is the additional file directly sent by the developer to the user (if requested) to overcome
the size limit of your application’s APK file.