Briefing Android Knowledge

Which of these is the correct explanation of the Android license form?

Which of these is the correct explanation of the Android license form?

A.
It is necessary to register with Android Market and pay a license fee in order to develop a paidfor application on Android.

B.
There is no special provision regarding application license operation on Android.

C.
If an application is developed using Android, it is not a licensing violation if the source code is
not made public.

D.
Since Android uses libraries licensed in various ways such as GPL, BSD, and LGPL,
applications developed under Android are subject to the severest license, GPL.

Explanation: