The Following Statements Are About Requirements in Open Source Definition

Multiple Choice

The following statements are about requirements in Open Source Definition. Which one is appropriate?

A) Open source software can be freely given away or sold;
B) Open source software is the software that has its initiating story open to the public;
C) Open source software refers to the software with product license from its developer for free;
D) Software that has its code partially open to the public is also a kind of open source software.
E) The source code of open source software must be available to the public in its development stage, but not necessarily in its distribution.