Briefing Android Knowledge

Which of these is the incorrect explanation of dx?

Which of these is the incorrect explanation of dx?

A.
It is a tool used from the command line and does not have a GUI.

B.
It converts class files into a Dalvik executable format (dex file).

C.
The file types used for conversion are only class, jar, and zlib.

D.
When using Eclipse, it is not necessary to call it explicitly.

Explanation: