If the 'Beta' Version of a Program Is Available for Download

Multiple Choice

If the 'beta' version of a program is available for download, what does that communicate about the software that has been made available?

A) It is a trial version of the program that developers are testing and allowing users to download for free so they may provide feedback about the program.
B) It is the most advanced and cutting edge version of that program on the market.
C) It has been verified as completely virus-proof and will absolutely not be infected by a virus.
D) It is "tester" software that may end up available for wide circulation in the future, but will likely never be published for mass use.