What does BSS stand for???

[mark at umcp-cs.UUCP]

Pick one from column A, one from column B, one from column C.
   A	   B   	   C
blank	storage	segment
basic	segmented storage
block	silly	size
begin	sassy	staff
big	starting symbol
bad	stretch store
baz	sensing	service
bogus	symbolic strangeness
-- 
spoken:	mark weiser
UUCP:	{seismo,allegra,brl-bmd}!umcp-cs!mark
CSNet:	mark at umcp-cs
ARPA:	mark.umcp-cs at CSNet-Relay