In the context of bad news, a teaser message is a message that Multiple Choice prepares recipients emotionally yet does not reveal specific information. blames the recipient for the bad news. conveys bad news in a more direct manner than a buffer. hides the bad news by sugarcoating it. shows excessive display of concern for the recipients.

prepares recipients emotionally without revealing specific information.    

Explanation:

In simple words, Teasers are helping to get the message around, but not far enough that it will expose the real old headlines.

A promotional message is indeed a marketing gimmick that uses anticipation to generate awareness. It's the antithesis of a homepage "coming early," built to inspire and tantalise, keeping the fans eager to know more. Teasers can also be elusive and ambiguous, and then they can define you precisely when and what's arriving.            

the best answer is b.

hope this : )