Which is true about MIDlets?

Which is true about MIDlets?

A.
MIDlet devices are not required to allow applications to be uninstalled.

B.
The only API used to create MIDlets is the MIDP API.

C.
Devices that support MIDlets must allow the MIDlets to access the device’s low-level functions.

D.
Devices that run MIDlets must provide software that manages wireless downloading of
applications.