How Are Discussion Boards Different from Blogs

Multiple Choice

How are discussion boards different from blogs?

A) Unlike blogs, which list posts periodically, discussion boards generally list postings erratically.
B) Unlike blogs, which list posts on social networking sites, discussion boards generally list postings only on exclusive websites.
C) Unlike blogs, which list posts chronologically, discussion boards generally list postings by threaded topics.
D) Unlike blogs, which list posts bimonthly, discussion boards generally list postings monthly.
E) Unlike blogs, which list posts only for members, discussion boards generally list postings for the public.