How Do Participants in an Auction Respond to the Problem

Multiple Choice

How do participants in an auction respond to the problem of the "winner's curse"?

A) they bid more aggressively to win the auction and avoid the "curse".
B) they exit the auction because winning can only be a bad sign of the object's worth.
C) all bid less aggressively, so that the winner ends up not regretting having won.
D) the winner regrets having won the auction.